Home / 132,672.08-183,089.65-72,243.90

Finding the Fourth Proportional to 132,672.08, 183,089.65 and 72,243.90

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Solution

The fourth proportional to 132,672.08, 183,089.65 and 72,243.90 is: 99,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,672.08 : 183,089.65 = 72,243.90 : x
  2. Step 2: Convert to fraction form
    132,672.08/183,089.65 = 72,243.90/x
  3. Step 3: Cross multiply
    132,672.08x = 183,089.65 × 72,243.90
  4. Step 4: Simplify right side
    132,672.08x = 13,227,110,320.48
  5. Step 5: Solve for x
    x = 13,227,110,320.48/132,672.08
  6. Step 6: Final answer
    x = 99,697.77

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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.