Home / 99,137.39-148,655.05-39,957.17

Finding the Fourth Proportional to 99,137.39, 148,655.05 and 39,957.17

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Solution

The fourth proportional to 99,137.39, 148,655.05 and 39,957.17 is: 59,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,137.39 : 148,655.05 = 39,957.17 : x
  2. Step 2: Convert to fraction form
    99,137.39/148,655.05 = 39,957.17/x
  3. Step 3: Cross multiply
    99,137.39x = 148,655.05 × 39,957.17
  4. Step 4: Simplify right side
    99,137.39x = 5,939,834,261.04
  5. Step 5: Solve for x
    x = 5,939,834,261.04/99,137.39
  6. Step 6: Final answer
    x = 59,915.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.