Home / 90,887.04-136,191.36-61,195.20

Finding the Fourth Proportional to 90,887.04, 136,191.36 and 61,195.20

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Solution

The fourth proportional to 90,887.04, 136,191.36 and 61,195.20 is: 91,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887.04 : 136,191.36 = 61,195.20 : x
  2. Step 2: Convert to fraction form
    90,887.04/136,191.36 = 61,195.20/x
  3. Step 3: Cross multiply
    90,887.04x = 136,191.36 × 61,195.20
  4. Step 4: Simplify right side
    90,887.04x = 8,334,257,513.47
  5. Step 5: Solve for x
    x = 8,334,257,513.47/90,887.04
  6. Step 6: Final answer
    x = 91,699.08

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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.