Home / 95,897.14-143,921.04-66,521.68

Finding the Fourth Proportional to 95,897.14, 143,921.04 and 66,521.68

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Solution

The fourth proportional to 95,897.14, 143,921.04 and 66,521.68 is: 99,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,897.14 : 143,921.04 = 66,521.68 : x
  2. Step 2: Convert to fraction form
    95,897.14/143,921.04 = 66,521.68/x
  3. Step 3: Cross multiply
    95,897.14x = 143,921.04 × 66,521.68
  4. Step 4: Simplify right side
    95,897.14x = 9,573,869,368.15
  5. Step 5: Solve for x
    x = 9,573,869,368.15/95,897.14
  6. Step 6: Final answer
    x = 99,834.77

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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.