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Finding the Fourth Proportional to 130,329, 179,854.02 and 70,713

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Solution

The fourth proportional to 130,329, 179,854.02 and 70,713 is: 97,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329 : 179,854.02 = 70,713 : x
  2. Step 2: Convert to fraction form
    130,329/179,854.02 = 70,713/x
  3. Step 3: Cross multiply
    130,329x = 179,854.02 × 70,713
  4. Step 4: Simplify right side
    130,329x = 12,718,017,316.26
  5. Step 5: Solve for x
    x = 12,718,017,316.26/130,329
  6. Step 6: Final answer
    x = 97,583.94

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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.