Home / 157,622.76-236,252.70-68,855.40

Finding the Fourth Proportional to 157,622.76, 236,252.70 and 68,855.40

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Solution

The fourth proportional to 157,622.76, 236,252.70 and 68,855.40 is: 103,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,622.76 : 236,252.70 = 68,855.40 : x
  2. Step 2: Convert to fraction form
    157,622.76/236,252.70 = 68,855.40/x
  3. Step 3: Cross multiply
    157,622.76x = 236,252.70 × 68,855.40
  4. Step 4: Simplify right side
    157,622.76x = 16,267,274,159.58
  5. Step 5: Solve for x
    x = 16,267,274,159.58/157,622.76
  6. Step 6: Final answer
    x = 103,203.84

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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.