Home / 115,242.73-158,673.08-97,981.15

Finding the Fourth Proportional to 115,242.73, 158,673.08 and 97,981.15

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Solution

The fourth proportional to 115,242.73, 158,673.08 and 97,981.15 is: 134,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,242.73 : 158,673.08 = 97,981.15 : x
  2. Step 2: Convert to fraction form
    115,242.73/158,673.08 = 97,981.15/x
  3. Step 3: Cross multiply
    115,242.73x = 158,673.08 × 97,981.15
  4. Step 4: Simplify right side
    115,242.73x = 15,546,970,607.49
  5. Step 5: Solve for x
    x = 15,546,970,607.49/115,242.73
  6. Step 6: Final answer
    x = 134,906.30

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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.