Home / 243,971.20-365,956.80-94,218.40

Finding the Fourth Proportional to 243,971.20, 365,956.80 and 94,218.40

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Solution

The fourth proportional to 243,971.20, 365,956.80 and 94,218.40 is: 141,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.20 : 365,956.80 = 94,218.40 : x
  2. Step 2: Convert to fraction form
    243,971.20/365,956.80 = 94,218.40/x
  3. Step 3: Cross multiply
    243,971.20x = 365,956.80 × 94,218.40
  4. Step 4: Simplify right side
    243,971.20x = 34,479,864,165.12
  5. Step 5: Solve for x
    x = 34,479,864,165.12/243,971.20
  6. Step 6: Final answer
    x = 141,327.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.