Home / 666,637.48-999,962.70-168,001.48

Finding the Fourth Proportional to 666,637.48, 999,962.70 and 168,001.48

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Solution

The fourth proportional to 666,637.48, 999,962.70 and 168,001.48 is: 252,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,637.48 : 999,962.70 = 168,001.48 : x
  2. Step 2: Convert to fraction form
    666,637.48/999,962.70 = 168,001.48/x
  3. Step 3: Cross multiply
    666,637.48x = 999,962.70 × 168,001.48
  4. Step 4: Simplify right side
    666,637.48x = 167,995,213,544.80
  5. Step 5: Solve for x
    x = 167,995,213,544.80/666,637.48
  6. Step 6: Final answer
    x = 252,003.85

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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.