Home / 112,921.47-155,440.41-97,601.00

Finding the Fourth Proportional to 112,921.47, 155,440.41 and 97,601.00

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Solution

The fourth proportional to 112,921.47, 155,440.41 and 97,601.00 is: 134,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.47 : 155,440.41 = 97,601.00 : x
  2. Step 2: Convert to fraction form
    112,921.47/155,440.41 = 97,601.00/x
  3. Step 3: Cross multiply
    112,921.47x = 155,440.41 × 97,601.00
  4. Step 4: Simplify right side
    112,921.47x = 15,171,138,679.21
  5. Step 5: Solve for x
    x = 15,171,138,679.21/112,921.47
  6. Step 6: Final answer
    x = 134,351.23

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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.