Home / 140,317.11-210,475.80-39,111.12

Finding the Fourth Proportional to 140,317.11, 210,475.80 and 39,111.12

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Solution

The fourth proportional to 140,317.11, 210,475.80 and 39,111.12 is: 58,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,317.11 : 210,475.80 = 39,111.12 : x
  2. Step 2: Convert to fraction form
    140,317.11/210,475.80 = 39,111.12/x
  3. Step 3: Cross multiply
    140,317.11x = 210,475.80 × 39,111.12
  4. Step 4: Simplify right side
    140,317.11x = 8,231,944,270.90
  5. Step 5: Solve for x
    x = 8,231,944,270.90/140,317.11
  6. Step 6: Final answer
    x = 58,666.72

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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.