Home / 263,741.42-363,962.70-142,885.76

Finding the Fourth Proportional to 263,741.42, 363,962.70 and 142,885.76

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Solution

The fourth proportional to 263,741.42, 363,962.70 and 142,885.76 is: 197,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,741.42 : 363,962.70 = 142,885.76 : x
  2. Step 2: Convert to fraction form
    263,741.42/363,962.70 = 142,885.76/x
  3. Step 3: Cross multiply
    263,741.42x = 363,962.70 × 142,885.76
  4. Step 4: Simplify right side
    263,741.42x = 52,005,087,001.15
  5. Step 5: Solve for x
    x = 52,005,087,001.15/263,741.42
  6. Step 6: Final answer
    x = 197,182.10

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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.