Home / 140,340.54-210,545.64-40,498.32

Finding the Fourth Proportional to 140,340.54, 210,545.64 and 40,498.32

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Solution

The fourth proportional to 140,340.54, 210,545.64 and 40,498.32 is: 60,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340.54 : 210,545.64 = 40,498.32 : x
  2. Step 2: Convert to fraction form
    140,340.54/210,545.64 = 40,498.32/x
  3. Step 3: Cross multiply
    140,340.54x = 210,545.64 × 40,498.32
  4. Step 4: Simplify right side
    140,340.54x = 8,526,744,703.32
  5. Step 5: Solve for x
    x = 8,526,744,703.32/140,340.54
  6. Step 6: Final answer
    x = 60,757.53

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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.