Home / 129,963.04-179,349.12-70,347.04

Finding the Fourth Proportional to 129,963.04, 179,349.12 and 70,347.04

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Solution

The fourth proportional to 129,963.04, 179,349.12 and 70,347.04 is: 97,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,963.04 : 179,349.12 = 70,347.04 : x
  2. Step 2: Convert to fraction form
    129,963.04/179,349.12 = 70,347.04/x
  3. Step 3: Cross multiply
    129,963.04x = 179,349.12 × 70,347.04
  4. Step 4: Simplify right side
    129,963.04x = 12,616,679,718.60
  5. Step 5: Solve for x
    x = 12,616,679,718.60/129,963.04
  6. Step 6: Final answer
    x = 97,078.98

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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.