Home / 186,002.10-278,981.55-52,902.90

Finding the Fourth Proportional to 186,002.10, 278,981.55 and 52,902.90

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Solution

The fourth proportional to 186,002.10, 278,981.55 and 52,902.90 is: 79,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,002.10 : 278,981.55 = 52,902.90 : x
  2. Step 2: Convert to fraction form
    186,002.10/278,981.55 = 52,902.90/x
  3. Step 3: Cross multiply
    186,002.10x = 278,981.55 × 52,902.90
  4. Step 4: Simplify right side
    186,002.10x = 14,758,933,041.50
  5. Step 5: Solve for x
    x = 14,758,933,041.50/186,002.10
  6. Step 6: Final answer
    x = 79,348.21

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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.