Home / 90,098.07-135,159.50-30,926.04

Finding the Fourth Proportional to 90,098.07, 135,159.50 and 30,926.04

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Solution

The fourth proportional to 90,098.07, 135,159.50 and 30,926.04 is: 46,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.07 : 135,159.50 = 30,926.04 : x
  2. Step 2: Convert to fraction form
    90,098.07/135,159.50 = 30,926.04/x
  3. Step 3: Cross multiply
    90,098.07x = 135,159.50 × 30,926.04
  4. Step 4: Simplify right side
    90,098.07x = 4,179,948,103.38
  5. Step 5: Solve for x
    x = 4,179,948,103.38/90,098.07
  6. Step 6: Final answer
    x = 46,393.31

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1.5x scale

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.