Home / 140,172.50-210,346.23-57,066.50

Finding the Fourth Proportional to 140,172.50, 210,346.23 and 57,066.50

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Solution

The fourth proportional to 140,172.50, 210,346.23 and 57,066.50 is: 85,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172.50 : 210,346.23 = 57,066.50 : x
  2. Step 2: Convert to fraction form
    140,172.50/210,346.23 = 57,066.50/x
  3. Step 3: Cross multiply
    140,172.50x = 210,346.23 × 57,066.50
  4. Step 4: Simplify right side
    140,172.50x = 12,003,723,134.30
  5. Step 5: Solve for x
    x = 12,003,723,134.30/140,172.50
  6. Step 6: Final answer
    x = 85,635.36

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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.