Home / 129,914.50-179,282.02-70,298.50

Finding the Fourth Proportional to 129,914.50, 179,282.02 and 70,298.50

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Solution

The fourth proportional to 129,914.50, 179,282.02 and 70,298.50 is: 97,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.50 : 179,282.02 = 70,298.50 : x
  2. Step 2: Convert to fraction form
    129,914.50/179,282.02 = 70,298.50/x
  3. Step 3: Cross multiply
    129,914.50x = 179,282.02 × 70,298.50
  4. Step 4: Simplify right side
    129,914.50x = 12,603,257,082.97
  5. Step 5: Solve for x
    x = 12,603,257,082.97/129,914.50
  6. Step 6: Final answer
    x = 97,011.94

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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.