Home / 131,719.65-197,437.77-56,875.05

Finding the Fourth Proportional to 131,719.65, 197,437.77 and 56,875.05

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Solution

The fourth proportional to 131,719.65, 197,437.77 and 56,875.05 is: 85,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,719.65 : 197,437.77 = 56,875.05 : x
  2. Step 2: Convert to fraction form
    131,719.65/197,437.77 = 56,875.05/x
  3. Step 3: Cross multiply
    131,719.65x = 197,437.77 × 56,875.05
  4. Step 4: Simplify right side
    131,719.65x = 11,229,283,040.64
  5. Step 5: Solve for x
    x = 11,229,283,040.64/131,719.65
  6. Step 6: Final answer
    x = 85,251.39

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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.