Home / 115,985.40-173,714.04-69,141.48

Finding the Fourth Proportional to 115,985.40, 173,714.04 and 69,141.48

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Solution

The fourth proportional to 115,985.40, 173,714.04 and 69,141.48 is: 103,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,985.40 : 173,714.04 = 69,141.48 : x
  2. Step 2: Convert to fraction form
    115,985.40/173,714.04 = 69,141.48/x
  3. Step 3: Cross multiply
    115,985.40x = 173,714.04 × 69,141.48
  4. Step 4: Simplify right side
    115,985.40x = 12,010,845,822.38
  5. Step 5: Solve for x
    x = 12,010,845,822.38/115,985.40
  6. Step 6: Final answer
    x = 103,554.81

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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.