Home / 209,872.41-314,901.35-110,008.72

Finding the Fourth Proportional to 209,872.41, 314,901.35 and 110,008.72

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Solution

The fourth proportional to 209,872.41, 314,901.35 and 110,008.72 is: 165,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,872.41 : 314,901.35 = 110,008.72 : x
  2. Step 2: Convert to fraction form
    209,872.41/314,901.35 = 110,008.72/x
  3. Step 3: Cross multiply
    209,872.41x = 314,901.35 × 110,008.72
  4. Step 4: Simplify right side
    209,872.41x = 34,641,894,439.77
  5. Step 5: Solve for x
    x = 34,641,894,439.77/209,872.41
  6. Step 6: Final answer
    x = 165,061.69

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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.