Home / 140,336.57-210,362.98-60,426.65

Finding the Fourth Proportional to 140,336.57, 210,362.98 and 60,426.65

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Solution

The fourth proportional to 140,336.57, 210,362.98 and 60,426.65 is: 90,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,336.57 : 210,362.98 = 60,426.65 : x
  2. Step 2: Convert to fraction form
    140,336.57/210,362.98 = 60,426.65/x
  3. Step 3: Cross multiply
    140,336.57x = 210,362.98 × 60,426.65
  4. Step 4: Simplify right side
    140,336.57x = 12,711,528,962.54
  5. Step 5: Solve for x
    x = 12,711,528,962.54/140,336.57
  6. Step 6: Final answer
    x = 90,578.88

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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.