Home / 60,278.85-90,417.80-18,158.78

Finding the Fourth Proportional to 60,278.85, 90,417.80 and 18,158.78

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Solution

The fourth proportional to 60,278.85, 90,417.80 and 18,158.78 is: 27,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,278.85 : 90,417.80 = 18,158.78 : x
  2. Step 2: Convert to fraction form
    60,278.85/90,417.80 = 18,158.78/x
  3. Step 3: Cross multiply
    60,278.85x = 90,417.80 × 18,158.78
  4. Step 4: Simplify right side
    60,278.85x = 1,641,877,209.73
  5. Step 5: Solve for x
    x = 1,641,877,209.73/60,278.85
  6. Step 6: Final answer
    x = 27,238.03

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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.