Home / 185,627.40-278,295.30-102,521.40

Finding the Fourth Proportional to 185,627.40, 278,295.30 and 102,521.40

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Solution

The fourth proportional to 185,627.40, 278,295.30 and 102,521.40 is: 153,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,627.40 : 278,295.30 = 102,521.40 : x
  2. Step 2: Convert to fraction form
    185,627.40/278,295.30 = 102,521.40/x
  3. Step 3: Cross multiply
    185,627.40x = 278,295.30 × 102,521.40
  4. Step 4: Simplify right side
    185,627.40x = 28,531,223,769.42
  5. Step 5: Solve for x
    x = 28,531,223,769.42/185,627.40
  6. Step 6: Final answer
    x = 153,701.58

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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.