Home / 145,505.54-200,822.37-107,462.72

Finding the Fourth Proportional to 145,505.54, 200,822.37 and 107,462.72

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Solution

The fourth proportional to 145,505.54, 200,822.37 and 107,462.72 is: 148,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,505.54 : 200,822.37 = 107,462.72 : x
  2. Step 2: Convert to fraction form
    145,505.54/200,822.37 = 107,462.72/x
  3. Step 3: Cross multiply
    145,505.54x = 200,822.37 × 107,462.72
  4. Step 4: Simplify right side
    145,505.54x = 21,580,918,117.05
  5. Step 5: Solve for x
    x = 21,580,918,117.05/145,505.54
  6. Step 6: Final answer
    x = 148,316.81

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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.