Home / 263,743.16-363,965.13-142,887.51

Finding the Fourth Proportional to 263,743.16, 363,965.13 and 142,887.51

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Solution

The fourth proportional to 263,743.16, 363,965.13 and 142,887.51 is: 197,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,743.16 : 363,965.13 = 142,887.51 : x
  2. Step 2: Convert to fraction form
    263,743.16/363,965.13 = 142,887.51/x
  3. Step 3: Cross multiply
    263,743.16x = 363,965.13 × 142,887.51
  4. Step 4: Simplify right side
    263,743.16x = 52,006,071,152.53
  5. Step 5: Solve for x
    x = 52,006,071,152.53/263,743.16
  6. Step 6: Final answer
    x = 197,184.53

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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.