Home / 235,827.10-325,441.43-128,397.07

Finding the Fourth Proportional to 235,827.10, 325,441.43 and 128,397.07

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Solution

The fourth proportional to 235,827.10, 325,441.43 and 128,397.07 is: 177,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,827.10 : 325,441.43 = 128,397.07 : x
  2. Step 2: Convert to fraction form
    235,827.10/325,441.43 = 128,397.07/x
  3. Step 3: Cross multiply
    235,827.10x = 325,441.43 × 128,397.07
  4. Step 4: Simplify right side
    235,827.10x = 41,785,726,068.61
  5. Step 5: Solve for x
    x = 41,785,726,068.61/235,827.10
  6. Step 6: Final answer
    x = 177,187.97

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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.