Home / 189,750.30-261,851.67-104,870.94

Finding the Fourth Proportional to 189,750.30, 261,851.67 and 104,870.94

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Solution

The fourth proportional to 189,750.30, 261,851.67 and 104,870.94 is: 144,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,750.30 : 261,851.67 = 104,870.94 : x
  2. Step 2: Convert to fraction form
    189,750.30/261,851.67 = 104,870.94/x
  3. Step 3: Cross multiply
    189,750.30x = 261,851.67 × 104,870.94
  4. Step 4: Simplify right side
    189,750.30x = 27,460,630,773.47
  5. Step 5: Solve for x
    x = 27,460,630,773.47/189,750.30
  6. Step 6: Final answer
    x = 144,719.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.