Home / 140,690.46-211,009.91-38,109.77

Finding the Fourth Proportional to 140,690.46, 211,009.91 and 38,109.77

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Solution

The fourth proportional to 140,690.46, 211,009.91 and 38,109.77 is: 57,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,690.46 : 211,009.91 = 38,109.77 : x
  2. Step 2: Convert to fraction form
    140,690.46/211,009.91 = 38,109.77/x
  3. Step 3: Cross multiply
    140,690.46x = 211,009.91 × 38,109.77
  4. Step 4: Simplify right side
    140,690.46x = 8,041,537,892.22
  5. Step 5: Solve for x
    x = 8,041,537,892.22/140,690.46
  6. Step 6: Final answer
    x = 57,157.66

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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.