Home / 124,849.03-172,368.51-81,283.31

Finding the Fourth Proportional to 124,849.03, 172,368.51 and 81,283.31

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Solution

The fourth proportional to 124,849.03, 172,368.51 and 81,283.31 is: 112,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,849.03 : 172,368.51 = 81,283.31 : x
  2. Step 2: Convert to fraction form
    124,849.03/172,368.51 = 81,283.31/x
  3. Step 3: Cross multiply
    124,849.03x = 172,368.51 × 81,283.31
  4. Step 4: Simplify right side
    124,849.03x = 14,010,683,481.87
  5. Step 5: Solve for x
    x = 14,010,683,481.87/124,849.03
  6. Step 6: Final answer
    x = 112,221.00

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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.