Home / 101,754.38-140,396-60,931.92

Finding the Fourth Proportional to 101,754.38, 140,396 and 60,931.92

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Solution

The fourth proportional to 101,754.38, 140,396 and 60,931.92 is: 84,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,754.38 : 140,396 = 60,931.92 : x
  2. Step 2: Convert to fraction form
    101,754.38/140,396 = 60,931.92/x
  3. Step 3: Cross multiply
    101,754.38x = 140,396 × 60,931.92
  4. Step 4: Simplify right side
    101,754.38x = 8,554,597,840.32
  5. Step 5: Solve for x
    x = 8,554,597,840.32/101,754.38
  6. Step 6: Final answer
    x = 84,071.05

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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.