Home / 126,440.23-174,492.54-72,725.17

Finding the Fourth Proportional to 126,440.23, 174,492.54 and 72,725.17

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Solution

The fourth proportional to 126,440.23, 174,492.54 and 72,725.17 is: 100,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,440.23 : 174,492.54 = 72,725.17 : x
  2. Step 2: Convert to fraction form
    126,440.23/174,492.54 = 72,725.17/x
  3. Step 3: Cross multiply
    126,440.23x = 174,492.54 × 72,725.17
  4. Step 4: Simplify right side
    126,440.23x = 12,689,999,635.23
  5. Step 5: Solve for x
    x = 12,689,999,635.23/126,440.23
  6. Step 6: Final answer
    x = 100,363.62

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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.