Home / 242,071.18-334,053.43-134,638.90

Finding the Fourth Proportional to 242,071.18, 334,053.43 and 134,638.90

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Solution

The fourth proportional to 242,071.18, 334,053.43 and 134,638.90 is: 185,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,071.18 : 334,053.43 = 134,638.90 : x
  2. Step 2: Convert to fraction form
    242,071.18/334,053.43 = 134,638.90/x
  3. Step 3: Cross multiply
    242,071.18x = 334,053.43 × 134,638.90
  4. Step 4: Simplify right side
    242,071.18x = 44,976,586,356.43
  5. Step 5: Solve for x
    x = 44,976,586,356.43/242,071.18
  6. Step 6: Final answer
    x = 185,799.01

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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.