Home / 103,094.10-154,641.15-71,601.30

Finding the Fourth Proportional to 103,094.10, 154,641.15 and 71,601.30

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Solution

The fourth proportional to 103,094.10, 154,641.15 and 71,601.30 is: 107,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,094.10 : 154,641.15 = 71,601.30 : x
  2. Step 2: Convert to fraction form
    103,094.10/154,641.15 = 71,601.30/x
  3. Step 3: Cross multiply
    103,094.10x = 154,641.15 × 71,601.30
  4. Step 4: Simplify right side
    103,094.10x = 11,072,507,373.50
  5. Step 5: Solve for x
    x = 11,072,507,373.50/103,094.10
  6. Step 6: Final answer
    x = 107,401.95

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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.