Home / 148,386.42-204,768.81-84,711.78

Finding the Fourth Proportional to 148,386.42, 204,768.81 and 84,711.78

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Solution

The fourth proportional to 148,386.42, 204,768.81 and 84,711.78 is: 116,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,386.42 : 204,768.81 = 84,711.78 : x
  2. Step 2: Convert to fraction form
    148,386.42/204,768.81 = 84,711.78/x
  3. Step 3: Cross multiply
    148,386.42x = 204,768.81 × 84,711.78
  4. Step 4: Simplify right side
    148,386.42x = 17,346,330,383.58
  5. Step 5: Solve for x
    x = 17,346,330,383.58/148,386.42
  6. Step 6: Final answer
    x = 116,899.72

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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.