Home / 153,550.45-211,894.14-85,563.91

Finding the Fourth Proportional to 153,550.45, 211,894.14 and 85,563.91

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Solution

The fourth proportional to 153,550.45, 211,894.14 and 85,563.91 is: 118,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,550.45 : 211,894.14 = 85,563.91 : x
  2. Step 2: Convert to fraction form
    153,550.45/211,894.14 = 85,563.91/x
  3. Step 3: Cross multiply
    153,550.45x = 211,894.14 × 85,563.91
  4. Step 4: Simplify right side
    153,550.45x = 18,130,491,124.49
  5. Step 5: Solve for x
    x = 18,130,491,124.49/153,550.45
  6. Step 6: Final answer
    x = 118,075.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.