Home / 119,911.92-179,831.80-98,799.63

Finding the Fourth Proportional to 119,911.92, 179,831.80 and 98,799.63

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Solution

The fourth proportional to 119,911.92, 179,831.80 and 98,799.63 is: 148,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.92 : 179,831.80 = 98,799.63 : x
  2. Step 2: Convert to fraction form
    119,911.92/179,831.80 = 98,799.63/x
  3. Step 3: Cross multiply
    119,911.92x = 179,831.80 × 98,799.63
  4. Step 4: Simplify right side
    119,911.92x = 17,767,315,302.23
  5. Step 5: Solve for x
    x = 17,767,315,302.23/119,911.92
  6. Step 6: Final answer
    x = 148,169.72

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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.