Home / 122,129.27-183,205.51-37,890.35

Finding the Fourth Proportional to 122,129.27, 183,205.51 and 37,890.35

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Solution

The fourth proportional to 122,129.27, 183,205.51 and 37,890.35 is: 56,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.27 : 183,205.51 = 37,890.35 : x
  2. Step 2: Convert to fraction form
    122,129.27/183,205.51 = 37,890.35/x
  3. Step 3: Cross multiply
    122,129.27x = 183,205.51 × 37,890.35
  4. Step 4: Simplify right side
    122,129.27x = 6,941,720,895.83
  5. Step 5: Solve for x
    x = 6,941,720,895.83/122,129.27
  6. Step 6: Final answer
    x = 56,839.13

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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.