Home / 122,178.55-183,210.31-47,333.74

Finding the Fourth Proportional to 122,178.55, 183,210.31 and 47,333.74

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Solution

The fourth proportional to 122,178.55, 183,210.31 and 47,333.74 is: 70,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,178.55 : 183,210.31 = 47,333.74 : x
  2. Step 2: Convert to fraction form
    122,178.55/183,210.31 = 47,333.74/x
  3. Step 3: Cross multiply
    122,178.55x = 183,210.31 × 47,333.74
  4. Step 4: Simplify right side
    122,178.55x = 8,672,028,026.14
  5. Step 5: Solve for x
    x = 8,672,028,026.14/122,178.55
  6. Step 6: Final answer
    x = 70,978.32

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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.