Home / 242,569.60-334,742.40-140,608.96

Finding the Fourth Proportional to 242,569.60, 334,742.40 and 140,608.96

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Solution

The fourth proportional to 242,569.60, 334,742.40 and 140,608.96 is: 194,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,569.60 : 334,742.40 = 140,608.96 : x
  2. Step 2: Convert to fraction form
    242,569.60/334,742.40 = 140,608.96/x
  3. Step 3: Cross multiply
    242,569.60x = 334,742.40 × 140,608.96
  4. Step 4: Simplify right side
    242,569.60x = 47,067,780,731.90
  5. Step 5: Solve for x
    x = 47,067,780,731.90/242,569.60
  6. Step 6: Final answer
    x = 194,038.25

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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.