Home / 215,342.01-322,657.56-125,131.48

Finding the Fourth Proportional to 215,342.01, 322,657.56 and 125,131.48

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Solution

The fourth proportional to 215,342.01, 322,657.56 and 125,131.48 is: 187,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,342.01 : 322,657.56 = 125,131.48 : x
  2. Step 2: Convert to fraction form
    215,342.01/322,657.56 = 125,131.48/x
  3. Step 3: Cross multiply
    215,342.01x = 322,657.56 × 125,131.48
  4. Step 4: Simplify right side
    215,342.01x = 40,374,617,209.34
  5. Step 5: Solve for x
    x = 40,374,617,209.34/215,342.01
  6. Step 6: Final answer
    x = 187,490.67

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1.5x scale

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.