Home / 129,925.50-179,297.19-70,309.50

Finding the Fourth Proportional to 129,925.50, 179,297.19 and 70,309.50

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Solution

The fourth proportional to 129,925.50, 179,297.19 and 70,309.50 is: 97,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,925.50 : 179,297.19 = 70,309.50 : x
  2. Step 2: Convert to fraction form
    129,925.50/179,297.19 = 70,309.50/x
  3. Step 3: Cross multiply
    129,925.50x = 179,297.19 × 70,309.50
  4. Step 4: Simplify right side
    129,925.50x = 12,606,295,780.31
  5. Step 5: Solve for x
    x = 12,606,295,780.31/129,925.50
  6. Step 6: Final answer
    x = 97,027.11

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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.