Home / 109,840.76-151,570.80-63,908.88

Finding the Fourth Proportional to 109,840.76, 151,570.80 and 63,908.88

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Solution

The fourth proportional to 109,840.76, 151,570.80 and 63,908.88 is: 88,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,840.76 : 151,570.80 = 63,908.88 : x
  2. Step 2: Convert to fraction form
    109,840.76/151,570.80 = 63,908.88/x
  3. Step 3: Cross multiply
    109,840.76x = 151,570.80 × 63,908.88
  4. Step 4: Simplify right side
    109,840.76x = 9,686,720,068.70
  5. Step 5: Solve for x
    x = 9,686,720,068.70/109,840.76
  6. Step 6: Final answer
    x = 88,188.76

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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.