Home / 144,262.90-216,349.37-54,318.12

Finding the Fourth Proportional to 144,262.90, 216,349.37 and 54,318.12

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Solution

The fourth proportional to 144,262.90, 216,349.37 and 54,318.12 is: 81,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,262.90 : 216,349.37 = 54,318.12 : x
  2. Step 2: Convert to fraction form
    144,262.90/216,349.37 = 54,318.12/x
  3. Step 3: Cross multiply
    144,262.90x = 216,349.37 × 54,318.12
  4. Step 4: Simplify right side
    144,262.90x = 11,751,691,036.26
  5. Step 5: Solve for x
    x = 11,751,691,036.26/144,262.90
  6. Step 6: Final answer
    x = 81,460.25

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1.5x scale

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.