Home / 118,923.40-178,414.76-83,931.40

Finding the Fourth Proportional to 118,923.40, 178,414.76 and 83,931.40

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Solution

The fourth proportional to 118,923.40, 178,414.76 and 83,931.40 is: 125,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.40 : 178,414.76 = 83,931.40 : x
  2. Step 2: Convert to fraction form
    118,923.40/178,414.76 = 83,931.40/x
  3. Step 3: Cross multiply
    118,923.40x = 178,414.76 × 83,931.40
  4. Step 4: Simplify right side
    118,923.40x = 14,974,600,587.46
  5. Step 5: Solve for x
    x = 14,974,600,587.46/118,923.40
  6. Step 6: Final answer
    x = 125,918.03

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1.5x scale

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.