Home / 126,312.12-174,310.83-69,723.45

Finding the Fourth Proportional to 126,312.12, 174,310.83 and 69,723.45

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Solution

The fourth proportional to 126,312.12, 174,310.83 and 69,723.45 is: 96,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.12 : 174,310.83 = 69,723.45 : x
  2. Step 2: Convert to fraction form
    126,312.12/174,310.83 = 69,723.45/x
  3. Step 3: Cross multiply
    126,312.12x = 174,310.83 × 69,723.45
  4. Step 4: Simplify right side
    126,312.12x = 12,153,552,439.96
  5. Step 5: Solve for x
    x = 12,153,552,439.96/126,312.12
  6. Step 6: Final answer
    x = 96,218.42

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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.