Home / 129,228.80-193,820.64-34,460.16

Finding the Fourth Proportional to 129,228.80, 193,820.64 and 34,460.16

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Solution

The fourth proportional to 129,228.80, 193,820.64 and 34,460.16 is: 51,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,228.80 : 193,820.64 = 34,460.16 : x
  2. Step 2: Convert to fraction form
    129,228.80/193,820.64 = 34,460.16/x
  3. Step 3: Cross multiply
    129,228.80x = 193,820.64 × 34,460.16
  4. Step 4: Simplify right side
    129,228.80x = 6,679,090,265.70
  5. Step 5: Solve for x
    x = 6,679,090,265.70/129,228.80
  6. Step 6: Final answer
    x = 51,684.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.