Home / 141,048.12-194,659.02-77,398.32

Finding the Fourth Proportional to 141,048.12, 194,659.02 and 77,398.32

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Solution

The fourth proportional to 141,048.12, 194,659.02 and 77,398.32 is: 106,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,048.12 : 194,659.02 = 77,398.32 : x
  2. Step 2: Convert to fraction form
    141,048.12/194,659.02 = 77,398.32/x
  3. Step 3: Cross multiply
    141,048.12x = 194,659.02 × 77,398.32
  4. Step 4: Simplify right side
    141,048.12x = 15,066,281,120.85
  5. Step 5: Solve for x
    x = 15,066,281,120.85/141,048.12
  6. Step 6: Final answer
    x = 106,816.60

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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.