Home / 126,981.64-175,189.48-73,280.24

Finding the Fourth Proportional to 126,981.64, 175,189.48 and 73,280.24

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Solution

The fourth proportional to 126,981.64, 175,189.48 and 73,280.24 is: 101,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,981.64 : 175,189.48 = 73,280.24 : x
  2. Step 2: Convert to fraction form
    126,981.64/175,189.48 = 73,280.24/x
  3. Step 3: Cross multiply
    126,981.64x = 175,189.48 × 73,280.24
  4. Step 4: Simplify right side
    126,981.64x = 12,837,927,139.88
  5. Step 5: Solve for x
    x = 12,837,927,139.88/126,981.64
  6. Step 6: Final answer
    x = 101,100.66

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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.