Home / 140,381.58-210,549.28-50,405.66

Finding the Fourth Proportional to 140,381.58, 210,549.28 and 50,405.66

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Solution

The fourth proportional to 140,381.58, 210,549.28 and 50,405.66 is: 75,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,381.58 : 210,549.28 = 50,405.66 : x
  2. Step 2: Convert to fraction form
    140,381.58/210,549.28 = 50,405.66/x
  3. Step 3: Cross multiply
    140,381.58x = 210,549.28 × 50,405.66
  4. Step 4: Simplify right side
    140,381.58x = 10,612,875,420.92
  5. Step 5: Solve for x
    x = 10,612,875,420.92/140,381.58
  6. Step 6: Final answer
    x = 75,600.20

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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.