Home / 109,632.76-151,438.41-88,203.20

Finding the Fourth Proportional to 109,632.76, 151,438.41 and 88,203.20

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Solution

The fourth proportional to 109,632.76, 151,438.41 and 88,203.20 is: 121,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632.76 : 151,438.41 = 88,203.20 : x
  2. Step 2: Convert to fraction form
    109,632.76/151,438.41 = 88,203.20/x
  3. Step 3: Cross multiply
    109,632.76x = 151,438.41 × 88,203.20
  4. Step 4: Simplify right side
    109,632.76x = 13,357,351,607.72
  5. Step 5: Solve for x
    x = 13,357,351,607.72/109,632.76
  6. Step 6: Final answer
    x = 121,837.23

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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.