Home / 140,559.10-210,838.65-93,319.90

Finding the Fourth Proportional to 140,559.10, 210,838.65 and 93,319.90

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Solution

The fourth proportional to 140,559.10, 210,838.65 and 93,319.90 is: 139,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,559.10 : 210,838.65 = 93,319.90 : x
  2. Step 2: Convert to fraction form
    140,559.10/210,838.65 = 93,319.90/x
  3. Step 3: Cross multiply
    140,559.10x = 210,838.65 × 93,319.90
  4. Step 4: Simplify right side
    140,559.10x = 19,675,441,734.14
  5. Step 5: Solve for x
    x = 19,675,441,734.14/140,559.10
  6. Step 6: Final answer
    x = 139,979.85

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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.