Home / 134,848.10-202,272.15-85,081.70

Finding the Fourth Proportional to 134,848.10, 202,272.15 and 85,081.70

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Solution

The fourth proportional to 134,848.10, 202,272.15 and 85,081.70 is: 127,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,848.10 : 202,272.15 = 85,081.70 : x
  2. Step 2: Convert to fraction form
    134,848.10/202,272.15 = 85,081.70/x
  3. Step 3: Cross multiply
    134,848.10x = 202,272.15 × 85,081.70
  4. Step 4: Simplify right side
    134,848.10x = 17,209,658,384.66
  5. Step 5: Solve for x
    x = 17,209,658,384.66/134,848.10
  6. Step 6: Final answer
    x = 127,622.55

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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.