Home / 185,631.40-278,301.30-102,525.40

Finding the Fourth Proportional to 185,631.40, 278,301.30 and 102,525.40

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Solution

The fourth proportional to 185,631.40, 278,301.30 and 102,525.40 is: 153,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.40 : 278,301.30 = 102,525.40 : x
  2. Step 2: Convert to fraction form
    185,631.40/278,301.30 = 102,525.40/x
  3. Step 3: Cross multiply
    185,631.40x = 278,301.30 × 102,525.40
  4. Step 4: Simplify right side
    185,631.40x = 28,532,952,103.02
  5. Step 5: Solve for x
    x = 28,532,952,103.02/185,631.40
  6. Step 6: Final answer
    x = 153,707.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.