Home / 108,153.12-162,238.20-38,048.16

Finding the Fourth Proportional to 108,153.12, 162,238.20 and 38,048.16

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Solution

The fourth proportional to 108,153.12, 162,238.20 and 38,048.16 is: 57,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,153.12 : 162,238.20 = 38,048.16 : x
  2. Step 2: Convert to fraction form
    108,153.12/162,238.20 = 38,048.16/x
  3. Step 3: Cross multiply
    108,153.12x = 162,238.20 × 38,048.16
  4. Step 4: Simplify right side
    108,153.12x = 6,172,864,991.71
  5. Step 5: Solve for x
    x = 6,172,864,991.71/108,153.12
  6. Step 6: Final answer
    x = 57,075.24

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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.