Home / 136,859.38-205,308.61-42,097.47

Finding the Fourth Proportional to 136,859.38, 205,308.61 and 42,097.47

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Solution

The fourth proportional to 136,859.38, 205,308.61 and 42,097.47 is: 63,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,859.38 : 205,308.61 = 42,097.47 : x
  2. Step 2: Convert to fraction form
    136,859.38/205,308.61 = 42,097.47/x
  3. Step 3: Cross multiply
    136,859.38x = 205,308.61 × 42,097.47
  4. Step 4: Simplify right side
    136,859.38x = 8,642,973,507.53
  5. Step 5: Solve for x
    x = 8,642,973,507.53/136,859.38
  6. Step 6: Final answer
    x = 63,152.22

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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.