Home / 142,848.33-197,132.49-82,431.51

Finding the Fourth Proportional to 142,848.33, 197,132.49 and 82,431.51

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Solution

The fourth proportional to 142,848.33, 197,132.49 and 82,431.51 is: 113,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.33 : 197,132.49 = 82,431.51 : x
  2. Step 2: Convert to fraction form
    142,848.33/197,132.49 = 82,431.51/x
  3. Step 3: Cross multiply
    142,848.33x = 197,132.49 × 82,431.51
  4. Step 4: Simplify right side
    142,848.33x = 16,249,928,820.76
  5. Step 5: Solve for x
    x = 16,249,928,820.76/142,848.33
  6. Step 6: Final answer
    x = 113,756.52

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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.