Home / 132,714.94-183,150.82-72,287.40

Finding the Fourth Proportional to 132,714.94, 183,150.82 and 72,287.40

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Solution

The fourth proportional to 132,714.94, 183,150.82 and 72,287.40 is: 99,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,714.94 : 183,150.82 = 72,287.40 : x
  2. Step 2: Convert to fraction form
    132,714.94/183,150.82 = 72,287.40/x
  3. Step 3: Cross multiply
    132,714.94x = 183,150.82 × 72,287.40
  4. Step 4: Simplify right side
    132,714.94x = 13,239,496,585.67
  5. Step 5: Solve for x
    x = 13,239,496,585.67/132,714.94
  6. Step 6: Final answer
    x = 99,758.90

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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.