Home / 126,807.45-174,999.55-70,218.82

Finding the Fourth Proportional to 126,807.45, 174,999.55 and 70,218.82

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Solution

The fourth proportional to 126,807.45, 174,999.55 and 70,218.82 is: 96,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,807.45 : 174,999.55 = 70,218.82 : x
  2. Step 2: Convert to fraction form
    126,807.45/174,999.55 = 70,218.82/x
  3. Step 3: Cross multiply
    126,807.45x = 174,999.55 × 70,218.82
  4. Step 4: Simplify right side
    126,807.45x = 12,288,261,901.53
  5. Step 5: Solve for x
    x = 12,288,261,901.53/126,807.45
  6. Step 6: Final answer
    x = 96,904.89

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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.