Home / 126,666.32-174,770.72-75,670.96

Finding the Fourth Proportional to 126,666.32, 174,770.72 and 75,670.96

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Solution

The fourth proportional to 126,666.32, 174,770.72 and 75,670.96 is: 104,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,666.32 : 174,770.72 = 75,670.96 : x
  2. Step 2: Convert to fraction form
    126,666.32/174,770.72 = 75,670.96/x
  3. Step 3: Cross multiply
    126,666.32x = 174,770.72 × 75,670.96
  4. Step 4: Simplify right side
    126,666.32x = 13,225,068,162.29
  5. Step 5: Solve for x
    x = 13,225,068,162.29/126,666.32
  6. Step 6: Final answer
    x = 104,408.72

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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.