Home / 103,023.10-154,460.85-39,789.10

Finding the Fourth Proportional to 103,023.10, 154,460.85 and 39,789.10

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Solution

The fourth proportional to 103,023.10, 154,460.85 and 39,789.10 is: 59,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,023.10 : 154,460.85 = 39,789.10 : x
  2. Step 2: Convert to fraction form
    103,023.10/154,460.85 = 39,789.10/x
  3. Step 3: Cross multiply
    103,023.10x = 154,460.85 × 39,789.10
  4. Step 4: Simplify right side
    103,023.10x = 6,145,858,206.74
  5. Step 5: Solve for x
    x = 6,145,858,206.74/103,023.10
  6. Step 6: Final answer
    x = 59,655.15

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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.