Home / 126,525.98-174,600.70-72,812.93

Finding the Fourth Proportional to 126,525.98, 174,600.70 and 72,812.93

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Solution

The fourth proportional to 126,525.98, 174,600.70 and 72,812.93 is: 100,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525.98 : 174,600.70 = 72,812.93 : x
  2. Step 2: Convert to fraction form
    126,525.98/174,600.70 = 72,812.93/x
  3. Step 3: Cross multiply
    126,525.98x = 174,600.70 × 72,812.93
  4. Step 4: Simplify right side
    126,525.98x = 12,713,187,492.02
  5. Step 5: Solve for x
    x = 12,713,187,492.02/126,525.98
  6. Step 6: Final answer
    x = 100,478.87

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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.