Home / 115,719.40-173,643.90-49,148.20

Finding the Fourth Proportional to 115,719.40, 173,643.90 and 49,148.20

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Solution

The fourth proportional to 115,719.40, 173,643.90 and 49,148.20 is: 73,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,719.40 : 173,643.90 = 49,148.20 : x
  2. Step 2: Convert to fraction form
    115,719.40/173,643.90 = 49,148.20/x
  3. Step 3: Cross multiply
    115,719.40x = 173,643.90 × 49,148.20
  4. Step 4: Simplify right side
    115,719.40x = 8,534,285,125.98
  5. Step 5: Solve for x
    x = 8,534,285,125.98/115,719.40
  6. Step 6: Final answer
    x = 73,749.82

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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.