Home / 126,110.24-174,019.20-72,382.40

Finding the Fourth Proportional to 126,110.24, 174,019.20 and 72,382.40

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Solution

The fourth proportional to 126,110.24, 174,019.20 and 72,382.40 is: 99,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.24 : 174,019.20 = 72,382.40 : x
  2. Step 2: Convert to fraction form
    126,110.24/174,019.20 = 72,382.40/x
  3. Step 3: Cross multiply
    126,110.24x = 174,019.20 × 72,382.40
  4. Step 4: Simplify right side
    126,110.24x = 12,595,927,342.08
  5. Step 5: Solve for x
    x = 12,595,927,342.08/126,110.24
  6. Step 6: Final answer
    x = 99,880.29

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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.