Home / 195,686.15-270,042.03-109,648.67

Finding the Fourth Proportional to 195,686.15, 270,042.03 and 109,648.67

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Solution

The fourth proportional to 195,686.15, 270,042.03 and 109,648.67 is: 151,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,686.15 : 270,042.03 = 109,648.67 : x
  2. Step 2: Convert to fraction form
    195,686.15/270,042.03 = 109,648.67/x
  3. Step 3: Cross multiply
    195,686.15x = 270,042.03 × 109,648.67
  4. Step 4: Simplify right side
    195,686.15x = 29,609,748,083.39
  5. Step 5: Solve for x
    x = 29,609,748,083.39/195,686.15
  6. Step 6: Final answer
    x = 151,312.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.