Home / 179,243.40-247,354.18-98,668.86

Finding the Fourth Proportional to 179,243.40, 247,354.18 and 98,668.86

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Solution

The fourth proportional to 179,243.40, 247,354.18 and 98,668.86 is: 136,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,243.40 : 247,354.18 = 98,668.86 : x
  2. Step 2: Convert to fraction form
    179,243.40/247,354.18 = 98,668.86/x
  3. Step 3: Cross multiply
    179,243.40x = 247,354.18 × 98,668.86
  4. Step 4: Simplify right side
    179,243.40x = 24,406,154,956.83
  5. Step 5: Solve for x
    x = 24,406,154,956.83/179,243.40
  6. Step 6: Final answer
    x = 136,162.08

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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.