Home / 121,346.64-182,101.98-42,461.55

Finding the Fourth Proportional to 121,346.64, 182,101.98 and 42,461.55

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Solution

The fourth proportional to 121,346.64, 182,101.98 and 42,461.55 is: 63,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.64 : 182,101.98 = 42,461.55 : x
  2. Step 2: Convert to fraction form
    121,346.64/182,101.98 = 42,461.55/x
  3. Step 3: Cross multiply
    121,346.64x = 182,101.98 × 42,461.55
  4. Step 4: Simplify right side
    121,346.64x = 7,732,332,328.87
  5. Step 5: Solve for x
    x = 7,732,332,328.87/121,346.64
  6. Step 6: Final answer
    x = 63,721.03

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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.