Home / 122,381.25-183,582.81-38,142.13

Finding the Fourth Proportional to 122,381.25, 183,582.81 and 38,142.13

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Solution

The fourth proportional to 122,381.25, 183,582.81 and 38,142.13 is: 57,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,381.25 : 183,582.81 = 38,142.13 : x
  2. Step 2: Convert to fraction form
    122,381.25/183,582.81 = 38,142.13/x
  3. Step 3: Cross multiply
    122,381.25x = 183,582.81 × 38,142.13
  4. Step 4: Simplify right side
    122,381.25x = 7,002,238,296.16
  5. Step 5: Solve for x
    x = 7,002,238,296.16/122,381.25
  6. Step 6: Final answer
    x = 57,216.59

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1.5x scale

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.