Home / 495,952.20-743,928.30-121,975.20

Finding the Fourth Proportional to 495,952.20, 743,928.30 and 121,975.20

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Solution

The fourth proportional to 495,952.20, 743,928.30 and 121,975.20 is: 182,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,952.20 : 743,928.30 = 121,975.20 : x
  2. Step 2: Convert to fraction form
    495,952.20/743,928.30 = 121,975.20/x
  3. Step 3: Cross multiply
    495,952.20x = 743,928.30 × 121,975.20
  4. Step 4: Simplify right side
    495,952.20x = 90,740,803,178.16
  5. Step 5: Solve for x
    x = 90,740,803,178.16/495,952.20
  6. Step 6: Final answer
    x = 182,962.80

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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.