Home / 113,296.48-156,343.08-65,550.60

Finding the Fourth Proportional to 113,296.48, 156,343.08 and 65,550.60

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Solution

The fourth proportional to 113,296.48, 156,343.08 and 65,550.60 is: 90,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,296.48 : 156,343.08 = 65,550.60 : x
  2. Step 2: Convert to fraction form
    113,296.48/156,343.08 = 65,550.60/x
  3. Step 3: Cross multiply
    113,296.48x = 156,343.08 × 65,550.60
  4. Step 4: Simplify right side
    113,296.48x = 10,248,382,699.85
  5. Step 5: Solve for x
    x = 10,248,382,699.85/113,296.48
  6. Step 6: Final answer
    x = 90,456.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.