Home / 122,154.80-183,258.36-37,913.20

Finding the Fourth Proportional to 122,154.80, 183,258.36 and 37,913.20

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Solution

The fourth proportional to 122,154.80, 183,258.36 and 37,913.20 is: 56,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,154.80 : 183,258.36 = 37,913.20 : x
  2. Step 2: Convert to fraction form
    122,154.80/183,258.36 = 37,913.20/x
  3. Step 3: Cross multiply
    122,154.80x = 183,258.36 × 37,913.20
  4. Step 4: Simplify right side
    122,154.80x = 6,947,910,854.35
  5. Step 5: Solve for x
    x = 6,947,910,854.35/122,154.80
  6. Step 6: Final answer
    x = 56,877.92

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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.