Home / 113,226.89-169,598.52-86,273.33

Finding the Fourth Proportional to 113,226.89, 169,598.52 and 86,273.33

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Solution

The fourth proportional to 113,226.89, 169,598.52 and 86,273.33 is: 129,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.89 : 169,598.52 = 86,273.33 : x
  2. Step 2: Convert to fraction form
    113,226.89/169,598.52 = 86,273.33/x
  3. Step 3: Cross multiply
    113,226.89x = 169,598.52 × 86,273.33
  4. Step 4: Simplify right side
    113,226.89x = 14,631,828,235.48
  5. Step 5: Solve for x
    x = 14,631,828,235.48/113,226.89
  6. Step 6: Final answer
    x = 129,225.74

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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.