Home / 127,733.90-176,286.65-70,379.11

Finding the Fourth Proportional to 127,733.90, 176,286.65 and 70,379.11

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Solution

The fourth proportional to 127,733.90, 176,286.65 and 70,379.11 is: 97,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.90 : 176,286.65 = 70,379.11 : x
  2. Step 2: Convert to fraction form
    127,733.90/176,286.65 = 70,379.11/x
  3. Step 3: Cross multiply
    127,733.90x = 176,286.65 × 70,379.11
  4. Step 4: Simplify right side
    127,733.90x = 12,406,897,400.34
  5. Step 5: Solve for x
    x = 12,406,897,400.34/127,733.90
  6. Step 6: Final answer
    x = 97,130.82

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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.