Home / 147,559.34-203,562.75-87,088.79

Finding the Fourth Proportional to 147,559.34, 203,562.75 and 87,088.79

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Solution

The fourth proportional to 147,559.34, 203,562.75 and 87,088.79 is: 120,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.34 : 203,562.75 = 87,088.79 : x
  2. Step 2: Convert to fraction form
    147,559.34/203,562.75 = 87,088.79/x
  3. Step 3: Cross multiply
    147,559.34x = 203,562.75 × 87,088.79
  4. Step 4: Simplify right side
    147,559.34x = 17,728,033,586.57
  5. Step 5: Solve for x
    x = 17,728,033,586.57/147,559.34
  6. Step 6: Final answer
    x = 120,141.72

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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.