Home / 131,703.32-197,325.06-109,658.52

Finding the Fourth Proportional to 131,703.32, 197,325.06 and 109,658.52

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Solution

The fourth proportional to 131,703.32, 197,325.06 and 109,658.52 is: 164,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.32 : 197,325.06 = 109,658.52 : x
  2. Step 2: Convert to fraction form
    131,703.32/197,325.06 = 109,658.52/x
  3. Step 3: Cross multiply
    131,703.32x = 197,325.06 × 109,658.52
  4. Step 4: Simplify right side
    131,703.32x = 21,638,374,038.51
  5. Step 5: Solve for x
    x = 21,638,374,038.51/131,703.32
  6. Step 6: Final answer
    x = 164,296.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.