Home / 142,762.08-197,015.02-82,335.26

Finding the Fourth Proportional to 142,762.08, 197,015.02 and 82,335.26

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Solution

The fourth proportional to 142,762.08, 197,015.02 and 82,335.26 is: 113,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,762.08 : 197,015.02 = 82,335.26 : x
  2. Step 2: Convert to fraction form
    142,762.08/197,015.02 = 82,335.26/x
  3. Step 3: Cross multiply
    142,762.08x = 197,015.02 × 82,335.26
  4. Step 4: Simplify right side
    142,762.08x = 16,221,282,895.61
  5. Step 5: Solve for x
    x = 16,221,282,895.61/142,762.08
  6. Step 6: Final answer
    x = 113,624.59

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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.