Home / 231,172.32-346,660.02-90,832.50

Finding the Fourth Proportional to 231,172.32, 346,660.02 and 90,832.50

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Solution

The fourth proportional to 231,172.32, 346,660.02 and 90,832.50 is: 136,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,172.32 : 346,660.02 = 90,832.50 : x
  2. Step 2: Convert to fraction form
    231,172.32/346,660.02 = 90,832.50/x
  3. Step 3: Cross multiply
    231,172.32x = 346,660.02 × 90,832.50
  4. Step 4: Simplify right side
    231,172.32x = 31,487,996,266.65
  5. Step 5: Solve for x
    x = 31,487,996,266.65/231,172.32
  6. Step 6: Final answer
    x = 136,210.06

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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.