Home / 99,608.28-137,455.38-54,285.30

Finding the Fourth Proportional to 99,608.28, 137,455.38 and 54,285.30

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Solution

The fourth proportional to 99,608.28, 137,455.38 and 54,285.30 is: 74,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608.28 : 137,455.38 = 54,285.30 : x
  2. Step 2: Convert to fraction form
    99,608.28/137,455.38 = 54,285.30/x
  3. Step 3: Cross multiply
    99,608.28x = 137,455.38 × 54,285.30
  4. Step 4: Simplify right side
    99,608.28x = 7,461,806,539.91
  5. Step 5: Solve for x
    x = 7,461,806,539.91/99,608.28
  6. Step 6: Final answer
    x = 74,911.51

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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.