Home / 250,918.60-346,258.70-142,020.60

Finding the Fourth Proportional to 250,918.60, 346,258.70 and 142,020.60

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Solution

The fourth proportional to 250,918.60, 346,258.70 and 142,020.60 is: 195,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,918.60 : 346,258.70 = 142,020.60 : x
  2. Step 2: Convert to fraction form
    250,918.60/346,258.70 = 142,020.60/x
  3. Step 3: Cross multiply
    250,918.60x = 346,258.70 × 142,020.60
  4. Step 4: Simplify right side
    250,918.60x = 49,175,868,329.22
  5. Step 5: Solve for x
    x = 49,175,868,329.22/250,918.60
  6. Step 6: Final answer
    x = 195,983.35

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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.