Home / 90,833.40-136,273.14-59,729.40

Finding the Fourth Proportional to 90,833.40, 136,273.14 and 59,729.40

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Solution

The fourth proportional to 90,833.40, 136,273.14 and 59,729.40 is: 89,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.40 : 136,273.14 = 59,729.40 : x
  2. Step 2: Convert to fraction form
    90,833.40/136,273.14 = 59,729.40/x
  3. Step 3: Cross multiply
    90,833.40x = 136,273.14 × 59,729.40
  4. Step 4: Simplify right side
    90,833.40x = 8,139,512,888.32
  5. Step 5: Solve for x
    x = 8,139,512,888.32/90,833.40
  6. Step 6: Final answer
    x = 89,609.25

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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.