Home / 263,117.49-363,102.12-142,258.74

Finding the Fourth Proportional to 263,117.49, 363,102.12 and 142,258.74

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Solution

The fourth proportional to 263,117.49, 363,102.12 and 142,258.74 is: 196,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,117.49 : 363,102.12 = 142,258.74 : x
  2. Step 2: Convert to fraction form
    263,117.49/363,102.12 = 142,258.74/x
  3. Step 3: Cross multiply
    263,117.49x = 363,102.12 × 142,258.74
  4. Step 4: Simplify right side
    263,117.49x = 51,654,450,082.53
  5. Step 5: Solve for x
    x = 51,654,450,082.53/263,117.49
  6. Step 6: Final answer
    x = 196,317.05

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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.