Home / 185,522.10-278,283.80-45,280.72

Finding the Fourth Proportional to 185,522.10, 278,283.80 and 45,280.72

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Solution

The fourth proportional to 185,522.10, 278,283.80 and 45,280.72 is: 67,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,522.10 : 278,283.80 = 45,280.72 : x
  2. Step 2: Convert to fraction form
    185,522.10/278,283.80 = 45,280.72/x
  3. Step 3: Cross multiply
    185,522.10x = 278,283.80 × 45,280.72
  4. Step 4: Simplify right side
    185,522.10x = 12,600,891,289.39
  5. Step 5: Solve for x
    x = 12,600,891,289.39/185,522.10
  6. Step 6: Final answer
    x = 67,921.24

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1.5x scale

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.