Home / 247,869.15-342,058.52-140,459.72

Finding the Fourth Proportional to 247,869.15, 342,058.52 and 140,459.72

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Solution

The fourth proportional to 247,869.15, 342,058.52 and 140,459.72 is: 193,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,869.15 : 342,058.52 = 140,459.72 : x
  2. Step 2: Convert to fraction form
    247,869.15/342,058.52 = 140,459.72/x
  3. Step 3: Cross multiply
    247,869.15x = 342,058.52 × 140,459.72
  4. Step 4: Simplify right side
    247,869.15x = 48,045,441,530.22
  5. Step 5: Solve for x
    x = 48,045,441,530.22/247,869.15
  6. Step 6: Final answer
    x = 193,833.89

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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.