Home / 151,492.28-209,049.96-83,505.74

Finding the Fourth Proportional to 151,492.28, 209,049.96 and 83,505.74

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Solution

The fourth proportional to 151,492.28, 209,049.96 and 83,505.74 is: 115,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,492.28 : 209,049.96 = 83,505.74 : x
  2. Step 2: Convert to fraction form
    151,492.28/209,049.96 = 83,505.74/x
  3. Step 3: Cross multiply
    151,492.28x = 209,049.96 × 83,505.74
  4. Step 4: Simplify right side
    151,492.28x = 17,456,872,129.40
  5. Step 5: Solve for x
    x = 17,456,872,129.40/151,492.28
  6. Step 6: Final answer
    x = 115,232.75

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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.