Home / 113,024.20-169,536.30-65,720.20

Finding the Fourth Proportional to 113,024.20, 169,536.30 and 65,720.20

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Solution

The fourth proportional to 113,024.20, 169,536.30 and 65,720.20 is: 98,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,024.20 : 169,536.30 = 65,720.20 : x
  2. Step 2: Convert to fraction form
    113,024.20/169,536.30 = 65,720.20/x
  3. Step 3: Cross multiply
    113,024.20x = 169,536.30 × 65,720.20
  4. Step 4: Simplify right side
    113,024.20x = 11,141,959,543.26
  5. Step 5: Solve for x
    x = 11,141,959,543.26/113,024.20
  6. Step 6: Final answer
    x = 98,580.30

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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.