Home / 102,111.12-153,125.22-35,537.16

Finding the Fourth Proportional to 102,111.12, 153,125.22 and 35,537.16

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Solution

The fourth proportional to 102,111.12, 153,125.22 and 35,537.16 is: 53,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,111.12 : 153,125.22 = 35,537.16 : x
  2. Step 2: Convert to fraction form
    102,111.12/153,125.22 = 35,537.16/x
  3. Step 3: Cross multiply
    102,111.12x = 153,125.22 × 35,537.16
  4. Step 4: Simplify right side
    102,111.12x = 5,441,635,443.18
  5. Step 5: Solve for x
    x = 5,441,635,443.18/102,111.12
  6. Step 6: Final answer
    x = 53,291.31

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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.