Home / 129,270.34-193,908.75-35,776.90

Finding the Fourth Proportional to 129,270.34, 193,908.75 and 35,776.90

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Solution

The fourth proportional to 129,270.34, 193,908.75 and 35,776.90 is: 53,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,270.34 : 193,908.75 = 35,776.90 : x
  2. Step 2: Convert to fraction form
    129,270.34/193,908.75 = 35,776.90/x
  3. Step 3: Cross multiply
    129,270.34x = 193,908.75 × 35,776.90
  4. Step 4: Simplify right side
    129,270.34x = 6,937,453,957.88
  5. Step 5: Solve for x
    x = 6,937,453,957.88/129,270.34
  6. Step 6: Final answer
    x = 53,666.25

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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.