Home / 121,655.72-182,397.62-46,712.70

Finding the Fourth Proportional to 121,655.72, 182,397.62 and 46,712.70

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Solution

The fourth proportional to 121,655.72, 182,397.62 and 46,712.70 is: 70,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,655.72 : 182,397.62 = 46,712.70 : x
  2. Step 2: Convert to fraction form
    121,655.72/182,397.62 = 46,712.70/x
  3. Step 3: Cross multiply
    121,655.72x = 182,397.62 × 46,712.70
  4. Step 4: Simplify right side
    121,655.72x = 8,520,285,420.56
  5. Step 5: Solve for x
    x = 8,520,285,420.56/121,655.72
  6. Step 6: Final answer
    x = 70,036.04

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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.