Home / 179,289.72-247,420.17-98,722.80

Finding the Fourth Proportional to 179,289.72, 247,420.17 and 98,722.80

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Solution

The fourth proportional to 179,289.72, 247,420.17 and 98,722.80 is: 136,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,289.72 : 247,420.17 = 98,722.80 : x
  2. Step 2: Convert to fraction form
    179,289.72/247,420.17 = 98,722.80/x
  3. Step 3: Cross multiply
    179,289.72x = 247,420.17 × 98,722.80
  4. Step 4: Simplify right side
    179,289.72x = 24,426,011,958.88
  5. Step 5: Solve for x
    x = 24,426,011,958.88/179,289.72
  6. Step 6: Final answer
    x = 136,237.66

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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.