Home / 118,148.80-163,045.62-64,434.16

Finding the Fourth Proportional to 118,148.80, 163,045.62 and 64,434.16

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Solution

The fourth proportional to 118,148.80, 163,045.62 and 64,434.16 is: 88,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,148.80 : 163,045.62 = 64,434.16 : x
  2. Step 2: Convert to fraction form
    118,148.80/163,045.62 = 64,434.16/x
  3. Step 3: Cross multiply
    118,148.80x = 163,045.62 × 64,434.16
  4. Step 4: Simplify right side
    118,148.80x = 10,505,707,566.38
  5. Step 5: Solve for x
    x = 10,505,707,566.38/118,148.80
  6. Step 6: Final answer
    x = 88,919.29

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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.