Home / 119,931.54-179,864.46-45,045.90

Finding the Fourth Proportional to 119,931.54, 179,864.46 and 45,045.90

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Solution

The fourth proportional to 119,931.54, 179,864.46 and 45,045.90 is: 67,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,931.54 : 179,864.46 = 45,045.90 : x
  2. Step 2: Convert to fraction form
    119,931.54/179,864.46 = 45,045.90/x
  3. Step 3: Cross multiply
    119,931.54x = 179,864.46 × 45,045.90
  4. Step 4: Simplify right side
    119,931.54x = 8,102,156,478.71
  5. Step 5: Solve for x
    x = 8,102,156,478.71/119,931.54
  6. Step 6: Final answer
    x = 67,556.51

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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.