Home / 119,724-179,586.90-53,146.24

Finding the Fourth Proportional to 119,724, 179,586.90 and 53,146.24

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Solution

The fourth proportional to 119,724, 179,586.90 and 53,146.24 is: 79,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724 : 179,586.90 = 53,146.24 : x
  2. Step 2: Convert to fraction form
    119,724/179,586.90 = 53,146.24/x
  3. Step 3: Cross multiply
    119,724x = 179,586.90 × 53,146.24
  4. Step 4: Simplify right side
    119,724x = 9,544,368,488.26
  5. Step 5: Solve for x
    x = 9,544,368,488.26/119,724
  6. Step 6: Final answer
    x = 79,719.76

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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.