Home / 118,041.38-162,897.13-64,326.40

Finding the Fourth Proportional to 118,041.38, 162,897.13 and 64,326.40

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Solution

The fourth proportional to 118,041.38, 162,897.13 and 64,326.40 is: 88,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,041.38 : 162,897.13 = 64,326.40 : x
  2. Step 2: Convert to fraction form
    118,041.38/162,897.13 = 64,326.40/x
  3. Step 3: Cross multiply
    118,041.38x = 162,897.13 × 64,326.40
  4. Step 4: Simplify right side
    118,041.38x = 10,478,586,170.86
  5. Step 5: Solve for x
    x = 10,478,586,170.86/118,041.38
  6. Step 6: Final answer
    x = 88,770.45

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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.