Home / 144,290.40-216,435.60-39,109.38

Finding the Fourth Proportional to 144,290.40, 216,435.60 and 39,109.38

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Solution

The fourth proportional to 144,290.40, 216,435.60 and 39,109.38 is: 58,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,290.40 : 216,435.60 = 39,109.38 : x
  2. Step 2: Convert to fraction form
    144,290.40/216,435.60 = 39,109.38/x
  3. Step 3: Cross multiply
    144,290.40x = 216,435.60 × 39,109.38
  4. Step 4: Simplify right side
    144,290.40x = 8,464,662,125.93
  5. Step 5: Solve for x
    x = 8,464,662,125.93/144,290.40
  6. Step 6: Final answer
    x = 58,664.07

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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.