Home / 115,683.02-159,610.20-72,667.16

Finding the Fourth Proportional to 115,683.02, 159,610.20 and 72,667.16

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Solution

The fourth proportional to 115,683.02, 159,610.20 and 72,667.16 is: 100,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,683.02 : 159,610.20 = 72,667.16 : x
  2. Step 2: Convert to fraction form
    115,683.02/159,610.20 = 72,667.16/x
  3. Step 3: Cross multiply
    115,683.02x = 159,610.20 × 72,667.16
  4. Step 4: Simplify right side
    115,683.02x = 11,598,419,941.03
  5. Step 5: Solve for x
    x = 11,598,419,941.03/115,683.02
  6. Step 6: Final answer
    x = 100,260.35

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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.