Home / 140,451.66-210,675.38-45,686.16

Finding the Fourth Proportional to 140,451.66, 210,675.38 and 45,686.16

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Solution

The fourth proportional to 140,451.66, 210,675.38 and 45,686.16 is: 68,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451.66 : 210,675.38 = 45,686.16 : x
  2. Step 2: Convert to fraction form
    140,451.66/210,675.38 = 45,686.16/x
  3. Step 3: Cross multiply
    140,451.66x = 210,675.38 × 45,686.16
  4. Step 4: Simplify right side
    140,451.66x = 9,624,948,890.31
  5. Step 5: Solve for x
    x = 9,624,948,890.31/140,451.66
  6. Step 6: Final answer
    x = 68,528.55

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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.