Home / 103,601.47-155,112.85-56,046.51

Finding the Fourth Proportional to 103,601.47, 155,112.85 and 56,046.51

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Solution

The fourth proportional to 103,601.47, 155,112.85 and 56,046.51 is: 83,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.47 : 155,112.85 = 56,046.51 : x
  2. Step 2: Convert to fraction form
    103,601.47/155,112.85 = 56,046.51/x
  3. Step 3: Cross multiply
    103,601.47x = 155,112.85 × 56,046.51
  4. Step 4: Simplify right side
    103,601.47x = 8,693,533,898.65
  5. Step 5: Solve for x
    x = 8,693,533,898.65/103,601.47
  6. Step 6: Final answer
    x = 83,913.23

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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.