Home / 145,836.54-218,736.36-57,152.33

Finding the Fourth Proportional to 145,836.54, 218,736.36 and 57,152.33

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Solution

The fourth proportional to 145,836.54, 218,736.36 and 57,152.33 is: 85,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.54 : 218,736.36 = 57,152.33 : x
  2. Step 2: Convert to fraction form
    145,836.54/218,736.36 = 57,152.33/x
  3. Step 3: Cross multiply
    145,836.54x = 218,736.36 × 57,152.33
  4. Step 4: Simplify right side
    145,836.54x = 12,501,291,536.04
  5. Step 5: Solve for x
    x = 12,501,291,536.04/145,836.54
  6. Step 6: Final answer
    x = 85,721.26

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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.