Home / 124,083.04-186,016.56-79,722.40

Finding the Fourth Proportional to 124,083.04, 186,016.56 and 79,722.40

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Solution

The fourth proportional to 124,083.04, 186,016.56 and 79,722.40 is: 119,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,083.04 : 186,016.56 = 79,722.40 : x
  2. Step 2: Convert to fraction form
    124,083.04/186,016.56 = 79,722.40/x
  3. Step 3: Cross multiply
    124,083.04x = 186,016.56 × 79,722.40
  4. Step 4: Simplify right side
    124,083.04x = 14,829,686,602.94
  5. Step 5: Solve for x
    x = 14,829,686,602.94/124,083.04
  6. Step 6: Final answer
    x = 119,514.21

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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.