Home / 220,905.37-304,834.91-130,256.95

Finding the Fourth Proportional to 220,905.37, 304,834.91 and 130,256.95

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Solution

The fourth proportional to 220,905.37, 304,834.91 and 130,256.95 is: 179,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,905.37 : 304,834.91 = 130,256.95 : x
  2. Step 2: Convert to fraction form
    220,905.37/304,834.91 = 130,256.95/x
  3. Step 3: Cross multiply
    220,905.37x = 304,834.91 × 130,256.95
  4. Step 4: Simplify right side
    220,905.37x = 39,706,865,630.12
  5. Step 5: Solve for x
    x = 39,706,865,630.12/220,905.37
  6. Step 6: Final answer
    x = 179,746.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.