Home / 158,912.69-238,365.90-64,140.35

Finding the Fourth Proportional to 158,912.69, 238,365.90 and 64,140.35

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Solution

The fourth proportional to 158,912.69, 238,365.90 and 64,140.35 is: 96,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,912.69 : 238,365.90 = 64,140.35 : x
  2. Step 2: Convert to fraction form
    158,912.69/238,365.90 = 64,140.35/x
  3. Step 3: Cross multiply
    158,912.69x = 238,365.90 × 64,140.35
  4. Step 4: Simplify right side
    158,912.69x = 15,288,871,062.24
  5. Step 5: Solve for x
    x = 15,288,871,062.24/158,912.69
  6. Step 6: Final answer
    x = 96,209.26

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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.