Home / 90,959.89-136,461.68-34,799.08

Finding the Fourth Proportional to 90,959.89, 136,461.68 and 34,799.08

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Solution

The fourth proportional to 90,959.89, 136,461.68 and 34,799.08 is: 52,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.89 : 136,461.68 = 34,799.08 : x
  2. Step 2: Convert to fraction form
    90,959.89/136,461.68 = 34,799.08/x
  3. Step 3: Cross multiply
    90,959.89x = 136,461.68 × 34,799.08
  4. Step 4: Simplify right side
    90,959.89x = 4,748,740,919.25
  5. Step 5: Solve for x
    x = 4,748,740,919.25/90,959.89
  6. Step 6: Final answer
    x = 52,206.98

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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.