Home / 129,770.04-179,048.73-76,026.15

Finding the Fourth Proportional to 129,770.04, 179,048.73 and 76,026.15

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Solution

The fourth proportional to 129,770.04, 179,048.73 and 76,026.15 is: 104,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.04 : 179,048.73 = 76,026.15 : x
  2. Step 2: Convert to fraction form
    129,770.04/179,048.73 = 76,026.15/x
  3. Step 3: Cross multiply
    129,770.04x = 179,048.73 × 76,026.15
  4. Step 4: Simplify right side
    129,770.04x = 13,612,385,604.29
  5. Step 5: Solve for x
    x = 13,612,385,604.29/129,770.04
  6. Step 6: Final answer
    x = 104,896.21

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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.