Home / 134,732.60-201,807.30-72,330.20

Finding the Fourth Proportional to 134,732.60, 201,807.30 and 72,330.20

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Solution

The fourth proportional to 134,732.60, 201,807.30 and 72,330.20 is: 108,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,732.60 : 201,807.30 = 72,330.20 : x
  2. Step 2: Convert to fraction form
    134,732.60/201,807.30 = 72,330.20/x
  3. Step 3: Cross multiply
    134,732.60x = 201,807.30 × 72,330.20
  4. Step 4: Simplify right side
    134,732.60x = 14,596,762,370.46
  5. Step 5: Solve for x
    x = 14,596,762,370.46/134,732.60
  6. Step 6: Final answer
    x = 108,338.76

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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.