Home / 94,876.20-142,314.30-91,247.40

Finding the Fourth Proportional to 94,876.20, 142,314.30 and 91,247.40

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Solution

The fourth proportional to 94,876.20, 142,314.30 and 91,247.40 is: 136,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,876.20 : 142,314.30 = 91,247.40 : x
  2. Step 2: Convert to fraction form
    94,876.20/142,314.30 = 91,247.40/x
  3. Step 3: Cross multiply
    94,876.20x = 142,314.30 × 91,247.40
  4. Step 4: Simplify right side
    94,876.20x = 12,985,809,857.82
  5. Step 5: Solve for x
    x = 12,985,809,857.82/94,876.20
  6. Step 6: Final answer
    x = 136,871.10

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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.