Home / 112,921.36-155,440.36-97,600.93

Finding the Fourth Proportional to 112,921.36, 155,440.36 and 97,600.93

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Solution

The fourth proportional to 112,921.36, 155,440.36 and 97,600.93 is: 134,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.36 : 155,440.36 = 97,600.93 : x
  2. Step 2: Convert to fraction form
    112,921.36/155,440.36 = 97,600.93/x
  3. Step 3: Cross multiply
    112,921.36x = 155,440.36 × 97,600.93
  4. Step 4: Simplify right side
    112,921.36x = 15,171,123,695.53
  5. Step 5: Solve for x
    x = 15,171,123,695.53/112,921.36
  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.