Home / 130,204.22-179,686.92-76,488.76

Finding the Fourth Proportional to 130,204.22, 179,686.92 and 76,488.76

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Solution

The fourth proportional to 130,204.22, 179,686.92 and 76,488.76 is: 105,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.22 : 179,686.92 = 76,488.76 : x
  2. Step 2: Convert to fraction form
    130,204.22/179,686.92 = 76,488.76/x
  3. Step 3: Cross multiply
    130,204.22x = 179,686.92 × 76,488.76
  4. Step 4: Simplify right side
    130,204.22x = 13,744,030,210.46
  5. Step 5: Solve for x
    x = 13,744,030,210.46/130,204.22
  6. Step 6: Final answer
    x = 105,557.49

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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.