Home / 155,282.68-232,925.46-85,123.72

Finding the Fourth Proportional to 155,282.68, 232,925.46 and 85,123.72

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Solution

The fourth proportional to 155,282.68, 232,925.46 and 85,123.72 is: 127,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,282.68 : 232,925.46 = 85,123.72 : x
  2. Step 2: Convert to fraction form
    155,282.68/232,925.46 = 85,123.72/x
  3. Step 3: Cross multiply
    155,282.68x = 232,925.46 × 85,123.72
  4. Step 4: Simplify right side
    155,282.68x = 19,827,481,637.91
  5. Step 5: Solve for x
    x = 19,827,481,637.91/155,282.68
  6. Step 6: Final answer
    x = 127,686.37

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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.