Home / 115,116.20-172,674.30-48,631.40

Finding the Fourth Proportional to 115,116.20, 172,674.30 and 48,631.40

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Solution

The fourth proportional to 115,116.20, 172,674.30 and 48,631.40 is: 72,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,116.20 : 172,674.30 = 48,631.40 : x
  2. Step 2: Convert to fraction form
    115,116.20/172,674.30 = 48,631.40/x
  3. Step 3: Cross multiply
    115,116.20x = 172,674.30 × 48,631.40
  4. Step 4: Simplify right side
    115,116.20x = 8,397,392,953.02
  5. Step 5: Solve for x
    x = 8,397,392,953.02/115,116.20
  6. Step 6: Final answer
    x = 72,947.10

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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.