Home / 102,279.12-153,439.56-43,114.80

Finding the Fourth Proportional to 102,279.12, 153,439.56 and 43,114.80

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Solution

The fourth proportional to 102,279.12, 153,439.56 and 43,114.80 is: 64,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,279.12 : 153,439.56 = 43,114.80 : x
  2. Step 2: Convert to fraction form
    102,279.12/153,439.56 = 43,114.80/x
  3. Step 3: Cross multiply
    102,279.12x = 153,439.56 × 43,114.80
  4. Step 4: Simplify right side
    102,279.12x = 6,615,515,941.49
  5. Step 5: Solve for x
    x = 6,615,515,941.49/102,279.12
  6. Step 6: Final answer
    x = 64,681.00

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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.