Home / 122,355.10-183,599.52-47,478.18

Finding the Fourth Proportional to 122,355.10, 183,599.52 and 47,478.18

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Solution

The fourth proportional to 122,355.10, 183,599.52 and 47,478.18 is: 71,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,355.10 : 183,599.52 = 47,478.18 : x
  2. Step 2: Convert to fraction form
    122,355.10/183,599.52 = 47,478.18/x
  3. Step 3: Cross multiply
    122,355.10x = 183,599.52 × 47,478.18
  4. Step 4: Simplify right side
    122,355.10x = 8,716,971,058.47
  5. Step 5: Solve for x
    x = 8,716,971,058.47/122,355.10
  6. Step 6: Final answer
    x = 71,243.22

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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.