Home / 156,392.74-234,589.06-135,270

Finding the Fourth Proportional to 156,392.74, 234,589.06 and 135,270

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Solution

The fourth proportional to 156,392.74, 234,589.06 and 135,270 is: 202,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,392.74 : 234,589.06 = 135,270 : x
  2. Step 2: Convert to fraction form
    156,392.74/234,589.06 = 135,270/x
  3. Step 3: Cross multiply
    156,392.74x = 234,589.06 × 135,270
  4. Step 4: Simplify right side
    156,392.74x = 31,732,862,146.20
  5. Step 5: Solve for x
    x = 31,732,862,146.20/156,392.74
  6. Step 6: Final answer
    x = 202,904.96

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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.