Home / 126,500.17-174,606.96-72,823.09

Finding the Fourth Proportional to 126,500.17, 174,606.96 and 72,823.09

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Solution

The fourth proportional to 126,500.17, 174,606.96 and 72,823.09 is: 100,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.17 : 174,606.96 = 72,823.09 : x
  2. Step 2: Convert to fraction form
    126,500.17/174,606.96 = 72,823.09/x
  3. Step 3: Cross multiply
    126,500.17x = 174,606.96 × 72,823.09
  4. Step 4: Simplify right side
    126,500.17x = 12,715,418,362.71
  5. Step 5: Solve for x
    x = 12,715,418,362.71/126,500.17
  6. Step 6: Final answer
    x = 100,517.01

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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.