Home / 158,900.42-238,347.54-64,128.08

Finding the Fourth Proportional to 158,900.42, 238,347.54 and 64,128.08

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Solution

The fourth proportional to 158,900.42, 238,347.54 and 64,128.08 is: 96,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,900.42 : 238,347.54 = 64,128.08 : x
  2. Step 2: Convert to fraction form
    158,900.42/238,347.54 = 64,128.08/x
  3. Step 3: Cross multiply
    158,900.42x = 238,347.54 × 64,128.08
  4. Step 4: Simplify right side
    158,900.42x = 15,284,770,112.92
  5. Step 5: Solve for x
    x = 15,284,770,112.92/158,900.42
  6. Step 6: Final answer
    x = 96,190.87

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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.