Home / 185,520.80-278,281.20-163,359.20

Finding the Fourth Proportional to 185,520.80, 278,281.20 and 163,359.20

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Solution

The fourth proportional to 185,520.80, 278,281.20 and 163,359.20 is: 245,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,520.80 : 278,281.20 = 163,359.20 : x
  2. Step 2: Convert to fraction form
    185,520.80/278,281.20 = 163,359.20/x
  3. Step 3: Cross multiply
    185,520.80x = 278,281.20 × 163,359.20
  4. Step 4: Simplify right side
    185,520.80x = 45,459,794,207.04
  5. Step 5: Solve for x
    x = 45,459,794,207.04/185,520.80
  6. Step 6: Final answer
    x = 245,038.80

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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.