Home / 108,876.68-150,244.98-61,129.16

Finding the Fourth Proportional to 108,876.68, 150,244.98 and 61,129.16

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Solution

The fourth proportional to 108,876.68, 150,244.98 and 61,129.16 is: 84,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.68 : 150,244.98 = 61,129.16 : x
  2. Step 2: Convert to fraction form
    108,876.68/150,244.98 = 61,129.16/x
  3. Step 3: Cross multiply
    108,876.68x = 150,244.98 × 61,129.16
  4. Step 4: Simplify right side
    108,876.68x = 9,184,349,421.62
  5. Step 5: Solve for x
    x = 9,184,349,421.62/108,876.68
  6. Step 6: Final answer
    x = 84,355.52

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1.5x scale

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.