Home / 126,810.18-174,997.53-69,449.76

Finding the Fourth Proportional to 126,810.18, 174,997.53 and 69,449.76

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Solution

The fourth proportional to 126,810.18, 174,997.53 and 69,449.76 is: 95,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.18 : 174,997.53 = 69,449.76 : x
  2. Step 2: Convert to fraction form
    126,810.18/174,997.53 = 69,449.76/x
  3. Step 3: Cross multiply
    126,810.18x = 174,997.53 × 69,449.76
  4. Step 4: Simplify right side
    126,810.18x = 12,153,536,459.09
  5. Step 5: Solve for x
    x = 12,153,536,459.09/126,810.18
  6. Step 6: Final answer
    x = 95,840.38

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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.