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Finding the Fourth Proportional to 142,443.36, 196,632.36 and 88,754.90

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Solution

The fourth proportional to 142,443.36, 196,632.36 and 88,754.90 is: 122,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,443.36 : 196,632.36 = 88,754.90 : x
  2. Step 2: Convert to fraction form
    142,443.36/196,632.36 = 88,754.90/x
  3. Step 3: Cross multiply
    142,443.36x = 196,632.36 × 88,754.90
  4. Step 4: Simplify right side
    142,443.36x = 17,452,084,465.40
  5. Step 5: Solve for x
    x = 17,452,084,465.40/142,443.36
  6. Step 6: Final answer
    x = 122,519.47

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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.