Home / 202,260.05-279,001-129,637.07

Finding the Fourth Proportional to 202,260.05, 279,001 and 129,637.07

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Solution

The fourth proportional to 202,260.05, 279,001 and 129,637.07 is: 178,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,260.05 : 279,001 = 129,637.07 : x
  2. Step 2: Convert to fraction form
    202,260.05/279,001 = 129,637.07/x
  3. Step 3: Cross multiply
    202,260.05x = 279,001 × 129,637.07
  4. Step 4: Simplify right side
    202,260.05x = 36,168,872,167.07
  5. Step 5: Solve for x
    x = 36,168,872,167.07/202,260.05
  6. Step 6: Final answer
    x = 178,823.61

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1.5x scale

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.