Home / 147,268.86-220,897.89-47,434.38

Finding the Fourth Proportional to 147,268.86, 220,897.89 and 47,434.38

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Solution

The fourth proportional to 147,268.86, 220,897.89 and 47,434.38 is: 71,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,268.86 : 220,897.89 = 47,434.38 : x
  2. Step 2: Convert to fraction form
    147,268.86/220,897.89 = 47,434.38/x
  3. Step 3: Cross multiply
    147,268.86x = 220,897.89 × 47,434.38
  4. Step 4: Simplify right side
    147,268.86x = 10,478,154,455.46
  5. Step 5: Solve for x
    x = 10,478,154,455.46/147,268.86
  6. Step 6: Final answer
    x = 71,149.83

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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.