Home / 129,605.22-194,281.47-63,042.66

Finding the Fourth Proportional to 129,605.22, 194,281.47 and 63,042.66

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Solution

The fourth proportional to 129,605.22, 194,281.47 and 63,042.66 is: 94,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,605.22 : 194,281.47 = 63,042.66 : x
  2. Step 2: Convert to fraction form
    129,605.22/194,281.47 = 63,042.66/x
  3. Step 3: Cross multiply
    129,605.22x = 194,281.47 × 63,042.66
  4. Step 4: Simplify right side
    129,605.22x = 12,248,020,657.51
  5. Step 5: Solve for x
    x = 12,248,020,657.51/129,605.22
  6. Step 6: Final answer
    x = 94,502.53

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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.