Home / 130,417.82-179,964.14-103,625.18

Finding the Fourth Proportional to 130,417.82, 179,964.14 and 103,625.18

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Solution

The fourth proportional to 130,417.82, 179,964.14 and 103,625.18 is: 142,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.82 : 179,964.14 = 103,625.18 : x
  2. Step 2: Convert to fraction form
    130,417.82/179,964.14 = 103,625.18/x
  3. Step 3: Cross multiply
    130,417.82x = 179,964.14 × 103,625.18
  4. Step 4: Simplify right side
    130,417.82x = 18,648,816,401.05
  5. Step 5: Solve for x
    x = 18,648,816,401.05/130,417.82
  6. Step 6: Final answer
    x = 142,992.85

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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.