Home / 145,383.90-217,725.93-98,494.62

Finding the Fourth Proportional to 145,383.90, 217,725.93 and 98,494.62

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Solution

The fourth proportional to 145,383.90, 217,725.93 and 98,494.62 is: 147,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,383.90 : 217,725.93 = 98,494.62 : x
  2. Step 2: Convert to fraction form
    145,383.90/217,725.93 = 98,494.62/x
  3. Step 3: Cross multiply
    145,383.90x = 217,725.93 × 98,494.62
  4. Step 4: Simplify right side
    145,383.90x = 21,444,832,739.50
  5. Step 5: Solve for x
    x = 21,444,832,739.50/145,383.90
  6. Step 6: Final answer
    x = 147,504.87

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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.