Home / 122,473.46-183,781.06-51,389.76

Finding the Fourth Proportional to 122,473.46, 183,781.06 and 51,389.76

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Solution

The fourth proportional to 122,473.46, 183,781.06 and 51,389.76 is: 77,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,473.46 : 183,781.06 = 51,389.76 : x
  2. Step 2: Convert to fraction form
    122,473.46/183,781.06 = 51,389.76/x
  3. Step 3: Cross multiply
    122,473.46x = 183,781.06 × 51,389.76
  4. Step 4: Simplify right side
    122,473.46x = 9,444,464,565.95
  5. Step 5: Solve for x
    x = 9,444,464,565.95/122,473.46
  6. Step 6: Final answer
    x = 77,114.38

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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.