Home / 282,840.72-424,159.02-83,107.68

Finding the Fourth Proportional to 282,840.72, 424,159.02 and 83,107.68

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Solution

The fourth proportional to 282,840.72, 424,159.02 and 83,107.68 is: 124,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,840.72 : 424,159.02 = 83,107.68 : x
  2. Step 2: Convert to fraction form
    282,840.72/424,159.02 = 83,107.68/x
  3. Step 3: Cross multiply
    282,840.72x = 424,159.02 × 83,107.68
  4. Step 4: Simplify right side
    282,840.72x = 35,250,872,103.27
  5. Step 5: Solve for x
    x = 35,250,872,103.27/282,840.72
  6. Step 6: Final answer
    x = 124,631.53

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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.