Home / 202,359.27-279,212.45-117,430.77

Finding the Fourth Proportional to 202,359.27, 279,212.45 and 117,430.77

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Solution

The fourth proportional to 202,359.27, 279,212.45 and 117,430.77 is: 162,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,359.27 : 279,212.45 = 117,430.77 : x
  2. Step 2: Convert to fraction form
    202,359.27/279,212.45 = 117,430.77/x
  3. Step 3: Cross multiply
    202,359.27x = 279,212.45 × 117,430.77
  4. Step 4: Simplify right side
    202,359.27x = 32,788,132,409.93
  5. Step 5: Solve for x
    x = 32,788,132,409.93/202,359.27
  6. Step 6: Final answer
    x = 162,029.31

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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.