Home / 140,842.02-211,115.40-52,038.88

Finding the Fourth Proportional to 140,842.02, 211,115.40 and 52,038.88

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Solution

The fourth proportional to 140,842.02, 211,115.40 and 52,038.88 is: 78,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,842.02 : 211,115.40 = 52,038.88 : x
  2. Step 2: Convert to fraction form
    140,842.02/211,115.40 = 52,038.88/x
  3. Step 3: Cross multiply
    140,842.02x = 211,115.40 × 52,038.88
  4. Step 4: Simplify right side
    140,842.02x = 10,986,208,966.75
  5. Step 5: Solve for x
    x = 10,986,208,966.75/140,842.02
  6. Step 6: Final answer
    x = 78,003.77

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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.