Home / 282,654.20-423,981.30-124,801.40

Finding the Fourth Proportional to 282,654.20, 423,981.30 and 124,801.40

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Solution

The fourth proportional to 282,654.20, 423,981.30 and 124,801.40 is: 187,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,654.20 : 423,981.30 = 124,801.40 : x
  2. Step 2: Convert to fraction form
    282,654.20/423,981.30 = 124,801.40/x
  3. Step 3: Cross multiply
    282,654.20x = 423,981.30 × 124,801.40
  4. Step 4: Simplify right side
    282,654.20x = 52,913,459,813.82
  5. Step 5: Solve for x
    x = 52,913,459,813.82/282,654.20
  6. Step 6: Final answer
    x = 187,202.10

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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.