Home / 95,681.28-143,390.40-48,835.68

Finding the Fourth Proportional to 95,681.28, 143,390.40 and 48,835.68

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Solution

The fourth proportional to 95,681.28, 143,390.40 and 48,835.68 is: 73,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,681.28 : 143,390.40 = 48,835.68 : x
  2. Step 2: Convert to fraction form
    95,681.28/143,390.40 = 48,835.68/x
  3. Step 3: Cross multiply
    95,681.28x = 143,390.40 × 48,835.68
  4. Step 4: Simplify right side
    95,681.28x = 7,002,567,689.47
  5. Step 5: Solve for x
    x = 7,002,567,689.47/95,681.28
  6. Step 6: Final answer
    x = 73,186.39

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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.