Home / 142,907.31-197,228.34-82,494.16

Finding the Fourth Proportional to 142,907.31, 197,228.34 and 82,494.16

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Solution

The fourth proportional to 142,907.31, 197,228.34 and 82,494.16 is: 113,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,907.31 : 197,228.34 = 82,494.16 : x
  2. Step 2: Convert to fraction form
    142,907.31/197,228.34 = 82,494.16/x
  3. Step 3: Cross multiply
    142,907.31x = 197,228.34 × 82,494.16
  4. Step 4: Simplify right side
    142,907.31x = 16,270,186,236.49
  5. Step 5: Solve for x
    x = 16,270,186,236.49/142,907.31
  6. Step 6: Final answer
    x = 113,851.32

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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.