Home / 136,297.21-188,095.70-75,864.02

Finding the Fourth Proportional to 136,297.21, 188,095.70 and 75,864.02

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Solution

The fourth proportional to 136,297.21, 188,095.70 and 75,864.02 is: 104,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.21 : 188,095.70 = 75,864.02 : x
  2. Step 2: Convert to fraction form
    136,297.21/188,095.70 = 75,864.02/x
  3. Step 3: Cross multiply
    136,297.21x = 188,095.70 × 75,864.02
  4. Step 4: Simplify right side
    136,297.21x = 14,269,695,946.71
  5. Step 5: Solve for x
    x = 14,269,695,946.71/136,297.21
  6. Step 6: Final answer
    x = 104,695.44

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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.