Home / 99,359.89-137,115.64-54,038.24

Finding the Fourth Proportional to 99,359.89, 137,115.64 and 54,038.24

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Solution

The fourth proportional to 99,359.89, 137,115.64 and 54,038.24 is: 74,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359.89 : 137,115.64 = 54,038.24 : x
  2. Step 2: Convert to fraction form
    99,359.89/137,115.64 = 54,038.24/x
  3. Step 3: Cross multiply
    99,359.89x = 137,115.64 × 54,038.24
  4. Step 4: Simplify right side
    99,359.89x = 7,409,487,454.26
  5. Step 5: Solve for x
    x = 7,409,487,454.26/99,359.89
  6. Step 6: Final answer
    x = 74,572.22

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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.