Home / 129,923.92-179,295.60-70,307.92

Finding the Fourth Proportional to 129,923.92, 179,295.60 and 70,307.92

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Solution

The fourth proportional to 129,923.92, 179,295.60 and 70,307.92 is: 97,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.92 : 179,295.60 = 70,307.92 : x
  2. Step 2: Convert to fraction form
    129,923.92/179,295.60 = 70,307.92/x
  3. Step 3: Cross multiply
    129,923.92x = 179,295.60 × 70,307.92
  4. Step 4: Simplify right side
    129,923.92x = 12,605,900,701.15
  5. Step 5: Solve for x
    x = 12,605,900,701.15/129,923.92
  6. Step 6: Final answer
    x = 97,025.25

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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.