Home / 126,870.64-175,100.13-73,145.16

Finding the Fourth Proportional to 126,870.64, 175,100.13 and 73,145.16

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Solution

The fourth proportional to 126,870.64, 175,100.13 and 73,145.16 is: 100,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.64 : 175,100.13 = 73,145.16 : x
  2. Step 2: Convert to fraction form
    126,870.64/175,100.13 = 73,145.16/x
  3. Step 3: Cross multiply
    126,870.64x = 175,100.13 × 73,145.16
  4. Step 4: Simplify right side
    126,870.64x = 12,807,727,024.87
  5. Step 5: Solve for x
    x = 12,807,727,024.87/126,870.64
  6. Step 6: Final answer
    x = 100,951.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.