Home / 133,042.32-183,596.76-72,613.92

Finding the Fourth Proportional to 133,042.32, 183,596.76 and 72,613.92

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Solution

The fourth proportional to 133,042.32, 183,596.76 and 72,613.92 is: 100,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.32 : 183,596.76 = 72,613.92 : x
  2. Step 2: Convert to fraction form
    133,042.32/183,596.76 = 72,613.92/x
  3. Step 3: Cross multiply
    133,042.32x = 183,596.76 × 72,613.92
  4. Step 4: Simplify right side
    133,042.32x = 13,331,680,442.90
  5. Step 5: Solve for x
    x = 13,331,680,442.90/133,042.32
  6. Step 6: Final answer
    x = 100,206.31

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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.