Home / 122,503.32-183,638.34-39,339

Finding the Fourth Proportional to 122,503.32, 183,638.34 and 39,339

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Solution

The fourth proportional to 122,503.32, 183,638.34 and 39,339 is: 58,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,503.32 : 183,638.34 = 39,339 : x
  2. Step 2: Convert to fraction form
    122,503.32/183,638.34 = 39,339/x
  3. Step 3: Cross multiply
    122,503.32x = 183,638.34 × 39,339
  4. Step 4: Simplify right side
    122,503.32x = 7,224,148,657.26
  5. Step 5: Solve for x
    x = 7,224,148,657.26/122,503.32
  6. Step 6: Final answer
    x = 58,971.04

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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.