Home / 132,815.79-183,280.44-72,385.14

Finding the Fourth Proportional to 132,815.79, 183,280.44 and 72,385.14

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Solution

The fourth proportional to 132,815.79, 183,280.44 and 72,385.14 is: 99,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.79 : 183,280.44 = 72,385.14 : x
  2. Step 2: Convert to fraction form
    132,815.79/183,280.44 = 72,385.14/x
  3. Step 3: Cross multiply
    132,815.79x = 183,280.44 × 72,385.14
  4. Step 4: Simplify right side
    132,815.79x = 13,266,780,236.46
  5. Step 5: Solve for x
    x = 13,266,780,236.46/132,815.79
  6. Step 6: Final answer
    x = 99,888.58

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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.