Home / 140,569.15-210,853.73-40,729.41

Finding the Fourth Proportional to 140,569.15, 210,853.73 and 40,729.41

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Solution

The fourth proportional to 140,569.15, 210,853.73 and 40,729.41 is: 61,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,569.15 : 210,853.73 = 40,729.41 : x
  2. Step 2: Convert to fraction form
    140,569.15/210,853.73 = 40,729.41/x
  3. Step 3: Cross multiply
    140,569.15x = 210,853.73 × 40,729.41
  4. Step 4: Simplify right side
    140,569.15x = 8,587,948,019.20
  5. Step 5: Solve for x
    x = 8,587,948,019.20/140,569.15
  6. Step 6: Final answer
    x = 61,094.12

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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.