Home / 142,764.07-197,017.77-82,337.26

Finding the Fourth Proportional to 142,764.07, 197,017.77 and 82,337.26

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Solution

The fourth proportional to 142,764.07, 197,017.77 and 82,337.26 is: 113,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,764.07 : 197,017.77 = 82,337.26 : x
  2. Step 2: Convert to fraction form
    142,764.07/197,017.77 = 82,337.26/x
  3. Step 3: Cross multiply
    142,764.07x = 197,017.77 × 82,337.26
  4. Step 4: Simplify right side
    142,764.07x = 16,221,903,353.11
  5. Step 5: Solve for x
    x = 16,221,903,353.11/142,764.07
  6. Step 6: Final answer
    x = 113,627.35

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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.