Home / 142,732.64-196,860.16-97,447.12

Finding the Fourth Proportional to 142,732.64, 196,860.16 and 97,447.12

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Solution

The fourth proportional to 142,732.64, 196,860.16 and 97,447.12 is: 134,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,732.64 : 196,860.16 = 97,447.12 : x
  2. Step 2: Convert to fraction form
    142,732.64/196,860.16 = 97,447.12/x
  3. Step 3: Cross multiply
    142,732.64x = 196,860.16 × 97,447.12
  4. Step 4: Simplify right side
    142,732.64x = 19,183,455,634.74
  5. Step 5: Solve for x
    x = 19,183,455,634.74/142,732.64
  6. Step 6: Final answer
    x = 134,401.32

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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.