Home / 121,426.47-182,029.45-42,497.64

Finding the Fourth Proportional to 121,426.47, 182,029.45 and 42,497.64

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Solution

The fourth proportional to 121,426.47, 182,029.45 and 42,497.64 is: 63,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,426.47 : 182,029.45 = 42,497.64 : x
  2. Step 2: Convert to fraction form
    121,426.47/182,029.45 = 42,497.64/x
  3. Step 3: Cross multiply
    121,426.47x = 182,029.45 × 42,497.64
  4. Step 4: Simplify right side
    121,426.47x = 7,735,822,035.50
  5. Step 5: Solve for x
    x = 7,735,822,035.50/121,426.47
  6. Step 6: Final answer
    x = 63,707.87

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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.