Home / 140,814.72-211,221.90-47,386.08

Finding the Fourth Proportional to 140,814.72, 211,221.90 and 47,386.08

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Solution

The fourth proportional to 140,814.72, 211,221.90 and 47,386.08 is: 71,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,814.72 : 211,221.90 = 47,386.08 : x
  2. Step 2: Convert to fraction form
    140,814.72/211,221.90 = 47,386.08/x
  3. Step 3: Cross multiply
    140,814.72x = 211,221.90 × 47,386.08
  4. Step 4: Simplify right side
    140,814.72x = 10,008,977,851.15
  5. Step 5: Solve for x
    x = 10,008,977,851.15/140,814.72
  6. Step 6: Final answer
    x = 71,079.06

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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.