Home / 122,204.40-183,306.60-102,521.40

Finding the Fourth Proportional to 122,204.40, 183,306.60 and 102,521.40

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Solution

The fourth proportional to 122,204.40, 183,306.60 and 102,521.40 is: 153,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,204.40 : 183,306.60 = 102,521.40 : x
  2. Step 2: Convert to fraction form
    122,204.40/183,306.60 = 102,521.40/x
  3. Step 3: Cross multiply
    122,204.40x = 183,306.60 × 102,521.40
  4. Step 4: Simplify right side
    122,204.40x = 18,792,849,261.24
  5. Step 5: Solve for x
    x = 18,792,849,261.24/122,204.40
  6. Step 6: Final answer
    x = 153,782.10

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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.