Home / 118,258.88-177,395.68-39,380.16

Finding the Fourth Proportional to 118,258.88, 177,395.68 and 39,380.16

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Solution

The fourth proportional to 118,258.88, 177,395.68 and 39,380.16 is: 59,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.88 : 177,395.68 = 39,380.16 : x
  2. Step 2: Convert to fraction form
    118,258.88/177,395.68 = 39,380.16/x
  3. Step 3: Cross multiply
    118,258.88x = 177,395.68 × 39,380.16
  4. Step 4: Simplify right side
    118,258.88x = 6,985,870,261.71
  5. Step 5: Solve for x
    x = 6,985,870,261.71/118,258.88
  6. Step 6: Final answer
    x = 59,072.69

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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.