Home / 146,645.79-202,346.55-85,404.93

Finding the Fourth Proportional to 146,645.79, 202,346.55 and 85,404.93

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Solution

The fourth proportional to 146,645.79, 202,346.55 and 85,404.93 is: 117,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,645.79 : 202,346.55 = 85,404.93 : x
  2. Step 2: Convert to fraction form
    146,645.79/202,346.55 = 85,404.93/x
  3. Step 3: Cross multiply
    146,645.79x = 202,346.55 × 85,404.93
  4. Step 4: Simplify right side
    146,645.79x = 17,281,392,938.49
  5. Step 5: Solve for x
    x = 17,281,392,938.49/146,645.79
  6. Step 6: Final answer
    x = 117,844.45

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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.