Home / 99,587.02-137,428.34-54,265.33

Finding the Fourth Proportional to 99,587.02, 137,428.34 and 54,265.33

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Solution

The fourth proportional to 99,587.02, 137,428.34 and 54,265.33 is: 74,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.02 : 137,428.34 = 54,265.33 : x
  2. Step 2: Convert to fraction form
    99,587.02/137,428.34 = 54,265.33/x
  3. Step 3: Cross multiply
    99,587.02x = 137,428.34 × 54,265.33
  4. Step 4: Simplify right side
    99,587.02x = 7,457,594,221.45
  5. Step 5: Solve for x
    x = 7,457,594,221.45/99,587.02
  6. Step 6: Final answer
    x = 74,885.20

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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.