Home / 103,191.57-154,776.98-28,319.24

Finding the Fourth Proportional to 103,191.57, 154,776.98 and 28,319.24

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Solution

The fourth proportional to 103,191.57, 154,776.98 and 28,319.24 is: 42,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.57 : 154,776.98 = 28,319.24 : x
  2. Step 2: Convert to fraction form
    103,191.57/154,776.98 = 28,319.24/x
  3. Step 3: Cross multiply
    103,191.57x = 154,776.98 × 28,319.24
  4. Step 4: Simplify right side
    103,191.57x = 4,383,165,870.92
  5. Step 5: Solve for x
    x = 4,383,165,870.92/103,191.57
  6. Step 6: Final answer
    x = 42,476.01

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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.