Home / 179,245.76-247,343.12-98,672.40

Finding the Fourth Proportional to 179,245.76, 247,343.12 and 98,672.40

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Solution

The fourth proportional to 179,245.76, 247,343.12 and 98,672.40 is: 136,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,245.76 : 247,343.12 = 98,672.40 : x
  2. Step 2: Convert to fraction form
    179,245.76/247,343.12 = 98,672.40/x
  3. Step 3: Cross multiply
    179,245.76x = 247,343.12 × 98,672.40
  4. Step 4: Simplify right side
    179,245.76x = 24,405,939,273.89
  5. Step 5: Solve for x
    x = 24,405,939,273.89/179,245.76
  6. Step 6: Final answer
    x = 136,159.09

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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.