Home / 147,380-203,417.21-93,654.53

Finding the Fourth Proportional to 147,380, 203,417.21 and 93,654.53

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Solution

The fourth proportional to 147,380, 203,417.21 and 93,654.53 is: 129,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,380 : 203,417.21 = 93,654.53 : x
  2. Step 2: Convert to fraction form
    147,380/203,417.21 = 93,654.53/x
  3. Step 3: Cross multiply
    147,380x = 203,417.21 × 93,654.53
  4. Step 4: Simplify right side
    147,380x = 19,050,941,711.10
  5. Step 5: Solve for x
    x = 19,050,941,711.10/147,380
  6. Step 6: Final answer
    x = 129,264.09

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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.