Home / 129,862.30-194,802.10-45,612.22

Finding the Fourth Proportional to 129,862.30, 194,802.10 and 45,612.22

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Solution

The fourth proportional to 129,862.30, 194,802.10 and 45,612.22 is: 68,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.30 : 194,802.10 = 45,612.22 : x
  2. Step 2: Convert to fraction form
    129,862.30/194,802.10 = 45,612.22/x
  3. Step 3: Cross multiply
    129,862.30x = 194,802.10 × 45,612.22
  4. Step 4: Simplify right side
    129,862.30x = 8,885,356,241.66
  5. Step 5: Solve for x
    x = 8,885,356,241.66/129,862.30
  6. Step 6: Final answer
    x = 68,421.37

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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.