Home / 119,188.28-164,495.59-76,869.83

Finding the Fourth Proportional to 119,188.28, 164,495.59 and 76,869.83

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Solution

The fourth proportional to 119,188.28, 164,495.59 and 76,869.83 is: 106,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,188.28 : 164,495.59 = 76,869.83 : x
  2. Step 2: Convert to fraction form
    119,188.28/164,495.59 = 76,869.83/x
  3. Step 3: Cross multiply
    119,188.28x = 164,495.59 × 76,869.83
  4. Step 4: Simplify right side
    119,188.28x = 12,644,748,258.11
  5. Step 5: Solve for x
    x = 12,644,748,258.11/119,188.28
  6. Step 6: Final answer
    x = 106,090.53

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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.