Home / 101,700.12-140,331.38-56,378.06

Finding the Fourth Proportional to 101,700.12, 140,331.38 and 56,378.06

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Solution

The fourth proportional to 101,700.12, 140,331.38 and 56,378.06 is: 77,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,700.12 : 140,331.38 = 56,378.06 : x
  2. Step 2: Convert to fraction form
    101,700.12/140,331.38 = 56,378.06/x
  3. Step 3: Cross multiply
    101,700.12x = 140,331.38 × 56,378.06
  4. Step 4: Simplify right side
    101,700.12x = 7,911,610,961.52
  5. Step 5: Solve for x
    x = 7,911,610,961.52/101,700.12
  6. Step 6: Final answer
    x = 77,793.53

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