Home / 119,723.07-179,585.50-53,145.30

Finding the Fourth Proportional to 119,723.07, 179,585.50 and 53,145.30

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Solution

The fourth proportional to 119,723.07, 179,585.50 and 53,145.30 is: 79,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.07 : 179,585.50 = 53,145.30 : x
  2. Step 2: Convert to fraction form
    119,723.07/179,585.50 = 53,145.30/x
  3. Step 3: Cross multiply
    119,723.07x = 179,585.50 × 53,145.30
  4. Step 4: Simplify right side
    119,723.07x = 9,544,125,273.15
  5. Step 5: Solve for x
    x = 9,544,125,273.15/119,723.07
  6. Step 6: Final answer
    x = 79,718.35

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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.