Home / 90,948.03-136,337.86-46,476.75

Finding the Fourth Proportional to 90,948.03, 136,337.86 and 46,476.75

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Solution

The fourth proportional to 90,948.03, 136,337.86 and 46,476.75 is: 69,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.03 : 136,337.86 = 46,476.75 : x
  2. Step 2: Convert to fraction form
    90,948.03/136,337.86 = 46,476.75/x
  3. Step 3: Cross multiply
    90,948.03x = 136,337.86 × 46,476.75
  4. Step 4: Simplify right side
    90,948.03x = 6,336,540,634.76
  5. Step 5: Solve for x
    x = 6,336,540,634.76/90,948.03
  6. Step 6: Final answer
    x = 69,672.10

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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.