Home / 268,152.20-401,972.30-99,627.40

Finding the Fourth Proportional to 268,152.20, 401,972.30 and 99,627.40

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Solution

The fourth proportional to 268,152.20, 401,972.30 and 99,627.40 is: 149,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,152.20 : 401,972.30 = 99,627.40 : x
  2. Step 2: Convert to fraction form
    268,152.20/401,972.30 = 99,627.40/x
  3. Step 3: Cross multiply
    268,152.20x = 401,972.30 × 99,627.40
  4. Step 4: Simplify right side
    268,152.20x = 40,047,455,121.02
  5. Step 5: Solve for x
    x = 40,047,455,121.02/268,152.20
  6. Step 6: Final answer
    x = 149,345.99

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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.