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Finding the Fourth Proportional to 107,607, 148,496.96 and 59,211.87

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Solution

The fourth proportional to 107,607, 148,496.96 and 59,211.87 is: 81,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,607 : 148,496.96 = 59,211.87 : x
  2. Step 2: Convert to fraction form
    107,607/148,496.96 = 59,211.87/x
  3. Step 3: Cross multiply
    107,607x = 148,496.96 × 59,211.87
  4. Step 4: Simplify right side
    107,607x = 8,792,782,394.86
  5. Step 5: Solve for x
    x = 8,792,782,394.86/107,607
  6. Step 6: Final answer
    x = 81,711.99

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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.