Home / 153,435.06-229,953.87-123,864.66

Finding the Fourth Proportional to 153,435.06, 229,953.87 and 123,864.66

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Solution

The fourth proportional to 153,435.06, 229,953.87 and 123,864.66 is: 185,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,435.06 : 229,953.87 = 123,864.66 : x
  2. Step 2: Convert to fraction form
    153,435.06/229,953.87 = 123,864.66/x
  3. Step 3: Cross multiply
    153,435.06x = 229,953.87 × 123,864.66
  4. Step 4: Simplify right side
    153,435.06x = 28,483,157,923.23
  5. Step 5: Solve for x
    x = 28,483,157,923.23/153,435.06
  6. Step 6: Final answer
    x = 185,636.57

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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.