Home / 179,000.28-247,011.93-98,431.20

Finding the Fourth Proportional to 179,000.28, 247,011.93 and 98,431.20

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Solution

The fourth proportional to 179,000.28, 247,011.93 and 98,431.20 is: 135,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,000.28 : 247,011.93 = 98,431.20 : x
  2. Step 2: Convert to fraction form
    179,000.28/247,011.93 = 98,431.20/x
  3. Step 3: Cross multiply
    179,000.28x = 247,011.93 × 98,431.20
  4. Step 4: Simplify right side
    179,000.28x = 24,313,680,684.22
  5. Step 5: Solve for x
    x = 24,313,680,684.22/179,000.28
  6. Step 6: Final answer
    x = 135,830.41

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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.