Home / 213,403.51-294,502.79-117,916.36

Finding the Fourth Proportional to 213,403.51, 294,502.79 and 117,916.36

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Solution

The fourth proportional to 213,403.51, 294,502.79 and 117,916.36 is: 162,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,403.51 : 294,502.79 = 117,916.36 : x
  2. Step 2: Convert to fraction form
    213,403.51/294,502.79 = 117,916.36/x
  3. Step 3: Cross multiply
    213,403.51x = 294,502.79 × 117,916.36
  4. Step 4: Simplify right side
    213,403.51x = 34,726,695,901.90
  5. Step 5: Solve for x
    x = 34,726,695,901.90/213,403.51
  6. Step 6: Final answer
    x = 162,727.86

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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.