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Finding the Fourth Proportional to 109,737, 151,437.06 and 59,436.36

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Solution

The fourth proportional to 109,737, 151,437.06 and 59,436.36 is: 82,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737 : 151,437.06 = 59,436.36 : x
  2. Step 2: Convert to fraction form
    109,737/151,437.06 = 59,436.36/x
  3. Step 3: Cross multiply
    109,737x = 151,437.06 × 59,436.36
  4. Step 4: Simplify right side
    109,737x = 9,000,867,615.50
  5. Step 5: Solve for x
    x = 9,000,867,615.50/109,737
  6. Step 6: Final answer
    x = 82,022.18

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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.