Home / 119,831.38-165,366.84-66,119.74

Finding the Fourth Proportional to 119,831.38, 165,366.84 and 66,119.74

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Solution

The fourth proportional to 119,831.38, 165,366.84 and 66,119.74 is: 91,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.38 : 165,366.84 = 66,119.74 : x
  2. Step 2: Convert to fraction form
    119,831.38/165,366.84 = 66,119.74/x
  3. Step 3: Cross multiply
    119,831.38x = 165,366.84 × 66,119.74
  4. Step 4: Simplify right side
    119,831.38x = 10,934,012,465.42
  5. Step 5: Solve for x
    x = 10,934,012,465.42/119,831.38
  6. Step 6: Final answer
    x = 91,244.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.