Home / 263,402.42-363,495.31-142,543.70

Finding the Fourth Proportional to 263,402.42, 363,495.31 and 142,543.70

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Solution

The fourth proportional to 263,402.42, 363,495.31 and 142,543.70 is: 196,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,402.42 : 363,495.31 = 142,543.70 : x
  2. Step 2: Convert to fraction form
    263,402.42/363,495.31 = 142,543.70/x
  3. Step 3: Cross multiply
    263,402.42x = 363,495.31 × 142,543.70
  4. Step 4: Simplify right side
    263,402.42x = 51,813,966,411.13
  5. Step 5: Solve for x
    x = 51,813,966,411.13/263,402.42
  6. Step 6: Final answer
    x = 196,710.29

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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.