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Finding the Fourth Proportional to 188,792.27, 283,075.30 and 128,077.10

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Solution

The fourth proportional to 188,792.27, 283,075.30 and 128,077.10 is: 192,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,792.27 : 283,075.30 = 128,077.10 : x
  2. Step 2: Convert to fraction form
    188,792.27/283,075.30 = 128,077.10/x
  3. Step 3: Cross multiply
    188,792.27x = 283,075.30 × 128,077.10
  4. Step 4: Simplify right side
    188,792.27x = 36,255,461,449.87
  5. Step 5: Solve for x
    x = 36,255,461,449.87/188,792.27
  6. Step 6: Final answer
    x = 192,038.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.