Home / 126,240.02-174,221.64-72,535.40

Finding the Fourth Proportional to 126,240.02, 174,221.64 and 72,535.40

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Solution

The fourth proportional to 126,240.02, 174,221.64 and 72,535.40 is: 100,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,240.02 : 174,221.64 = 72,535.40 : x
  2. Step 2: Convert to fraction form
    126,240.02/174,221.64 = 72,535.40/x
  3. Step 3: Cross multiply
    126,240.02x = 174,221.64 × 72,535.40
  4. Step 4: Simplify right side
    126,240.02x = 12,637,236,346.06
  5. Step 5: Solve for x
    x = 12,637,236,346.06/126,240.02
  6. Step 6: Final answer
    x = 100,104.83

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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.