Home / 108,861.57-150,244.47-61,118.15

Finding the Fourth Proportional to 108,861.57, 150,244.47 and 61,118.15

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Solution

The fourth proportional to 108,861.57, 150,244.47 and 61,118.15 is: 84,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.57 : 150,244.47 = 61,118.15 : x
  2. Step 2: Convert to fraction form
    108,861.57/150,244.47 = 61,118.15/x
  3. Step 3: Cross multiply
    108,861.57x = 150,244.47 × 61,118.15
  4. Step 4: Simplify right side
    108,861.57x = 9,182,663,302.91
  5. Step 5: Solve for x
    x = 9,182,663,302.91/108,861.57
  6. Step 6: Final answer
    x = 84,351.74

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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.