Home / 122,498.50-183,795.29-47,671.20

Finding the Fourth Proportional to 122,498.50, 183,795.29 and 47,671.20

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Solution

The fourth proportional to 122,498.50, 183,795.29 and 47,671.20 is: 71,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,498.50 : 183,795.29 = 47,671.20 : x
  2. Step 2: Convert to fraction form
    122,498.50/183,795.29 = 47,671.20/x
  3. Step 3: Cross multiply
    122,498.50x = 183,795.29 × 47,671.20
  4. Step 4: Simplify right side
    122,498.50x = 8,761,742,028.65
  5. Step 5: Solve for x
    x = 8,761,742,028.65/122,498.50
  6. Step 6: Final answer
    x = 71,525.30

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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.