Home / 126,238.64-174,217.86-72,545.06

Finding the Fourth Proportional to 126,238.64, 174,217.86 and 72,545.06

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Solution

The fourth proportional to 126,238.64, 174,217.86 and 72,545.06 is: 100,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238.64 : 174,217.86 = 72,545.06 : x
  2. Step 2: Convert to fraction form
    126,238.64/174,217.86 = 72,545.06/x
  3. Step 3: Cross multiply
    126,238.64x = 174,217.86 × 72,545.06
  4. Step 4: Simplify right side
    126,238.64x = 12,638,645,106.77
  5. Step 5: Solve for x
    x = 12,638,645,106.77/126,238.64
  6. Step 6: Final answer
    x = 100,117.09

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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.