Home / 242,294.49-334,366.40-134,862.21

Finding the Fourth Proportional to 242,294.49, 334,366.40 and 134,862.21

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Solution

The fourth proportional to 242,294.49, 334,366.40 and 134,862.21 is: 186,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,294.49 : 334,366.40 = 134,862.21 : x
  2. Step 2: Convert to fraction form
    242,294.49/334,366.40 = 134,862.21/x
  3. Step 3: Cross multiply
    242,294.49x = 334,366.40 × 134,862.21
  4. Step 4: Simplify right side
    242,294.49x = 45,093,390,979.43
  5. Step 5: Solve for x
    x = 45,093,390,979.43/242,294.49
  6. Step 6: Final answer
    x = 186,109.85

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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.