Home / 133,345.48-183,930.06-85,523.08

Finding the Fourth Proportional to 133,345.48, 183,930.06 and 85,523.08

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Solution

The fourth proportional to 133,345.48, 183,930.06 and 85,523.08 is: 117,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345.48 : 183,930.06 = 85,523.08 : x
  2. Step 2: Convert to fraction form
    133,345.48/183,930.06 = 85,523.08/x
  3. Step 3: Cross multiply
    133,345.48x = 183,930.06 × 85,523.08
  4. Step 4: Simplify right side
    133,345.48x = 15,730,265,235.78
  5. Step 5: Solve for x
    x = 15,730,265,235.78/133,345.48
  6. Step 6: Final answer
    x = 117,966.24

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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.