Home / 124,569.40-186,918.90-54,455.80

Finding the Fourth Proportional to 124,569.40, 186,918.90 and 54,455.80

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Solution

The fourth proportional to 124,569.40, 186,918.90 and 54,455.80 is: 81,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.40 : 186,918.90 = 54,455.80 : x
  2. Step 2: Convert to fraction form
    124,569.40/186,918.90 = 54,455.80/x
  3. Step 3: Cross multiply
    124,569.40x = 186,918.90 × 54,455.80
  4. Step 4: Simplify right side
    124,569.40x = 10,178,818,234.62
  5. Step 5: Solve for x
    x = 10,178,818,234.62/124,569.40
  6. Step 6: Final answer
    x = 81,712.03

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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.