Home / 140,338.49-210,521.78-40,501.13

Finding the Fourth Proportional to 140,338.49, 210,521.78 and 40,501.13

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Solution

The fourth proportional to 140,338.49, 210,521.78 and 40,501.13 is: 60,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,338.49 : 210,521.78 = 40,501.13 : x
  2. Step 2: Convert to fraction form
    140,338.49/210,521.78 = 40,501.13/x
  3. Step 3: Cross multiply
    140,338.49x = 210,521.78 × 40,501.13
  4. Step 4: Simplify right side
    140,338.49x = 8,526,369,777.11
  5. Step 5: Solve for x
    x = 8,526,369,777.11/140,338.49
  6. Step 6: Final answer
    x = 60,755.75

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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.