Home / 140,005.80-210,008.70-40,157.10

Finding the Fourth Proportional to 140,005.80, 210,008.70 and 40,157.10

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Solution

The fourth proportional to 140,005.80, 210,008.70 and 40,157.10 is: 60,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,005.80 : 210,008.70 = 40,157.10 : x
  2. Step 2: Convert to fraction form
    140,005.80/210,008.70 = 40,157.10/x
  3. Step 3: Cross multiply
    140,005.80x = 210,008.70 × 40,157.10
  4. Step 4: Simplify right side
    140,005.80x = 8,433,340,366.77
  5. Step 5: Solve for x
    x = 8,433,340,366.77/140,005.80
  6. Step 6: Final answer
    x = 60,235.65

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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.