Home / 132,834.90-183,306.84-72,404.28

Finding the Fourth Proportional to 132,834.90, 183,306.84 and 72,404.28

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Solution

The fourth proportional to 132,834.90, 183,306.84 and 72,404.28 is: 99,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,834.90 : 183,306.84 = 72,404.28 : x
  2. Step 2: Convert to fraction form
    132,834.90/183,306.84 = 72,404.28/x
  3. Step 3: Cross multiply
    132,834.90x = 183,306.84 × 72,404.28
  4. Step 4: Simplify right side
    132,834.90x = 13,272,199,769.28
  5. Step 5: Solve for x
    x = 13,272,199,769.28/132,834.90
  6. Step 6: Final answer
    x = 99,915.01

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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.