Home / 140,878.43-211,248.51-69,718.85

Finding the Fourth Proportional to 140,878.43, 211,248.51 and 69,718.85

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Solution

The fourth proportional to 140,878.43, 211,248.51 and 69,718.85 is: 104,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,878.43 : 211,248.51 = 69,718.85 : x
  2. Step 2: Convert to fraction form
    140,878.43/211,248.51 = 69,718.85/x
  3. Step 3: Cross multiply
    140,878.43x = 211,248.51 × 69,718.85
  4. Step 4: Simplify right side
    140,878.43x = 14,728,002,125.17
  5. Step 5: Solve for x
    x = 14,728,002,125.17/140,878.43
  6. Step 6: Final answer
    x = 104,544.06

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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.