Home / 99,136.30-148,801.65-49,272.70

Finding the Fourth Proportional to 99,136.30, 148,801.65 and 49,272.70

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Solution

The fourth proportional to 99,136.30, 148,801.65 and 49,272.70 is: 73,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,136.30 : 148,801.65 = 49,272.70 : x
  2. Step 2: Convert to fraction form
    99,136.30/148,801.65 = 49,272.70/x
  3. Step 3: Cross multiply
    99,136.30x = 148,801.65 × 49,272.70
  4. Step 4: Simplify right side
    99,136.30x = 7,331,859,059.96
  5. Step 5: Solve for x
    x = 7,331,859,059.96/99,136.30
  6. Step 6: Final answer
    x = 73,957.36

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1.5x scale

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.