Home / 102,414.81-141,211.55-70,164.89

Finding the Fourth Proportional to 102,414.81, 141,211.55 and 70,164.89

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Solution

The fourth proportional to 102,414.81, 141,211.55 and 70,164.89 is: 96,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,414.81 : 141,211.55 = 70,164.89 : x
  2. Step 2: Convert to fraction form
    102,414.81/141,211.55 = 70,164.89/x
  3. Step 3: Cross multiply
    102,414.81x = 141,211.55 × 70,164.89
  4. Step 4: Simplify right side
    102,414.81x = 9,908,092,521.66
  5. Step 5: Solve for x
    x = 9,908,092,521.66/102,414.81
  6. Step 6: Final answer
    x = 96,744.72

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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.