Home / 170,431.30-235,208.63-93,963.93

Finding the Fourth Proportional to 170,431.30, 235,208.63 and 93,963.93

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Solution

The fourth proportional to 170,431.30, 235,208.63 and 93,963.93 is: 129,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,431.30 : 235,208.63 = 93,963.93 : x
  2. Step 2: Convert to fraction form
    170,431.30/235,208.63 = 93,963.93/x
  3. Step 3: Cross multiply
    170,431.30x = 235,208.63 × 93,963.93
  4. Step 4: Simplify right side
    170,431.30x = 22,101,127,244.72
  5. Step 5: Solve for x
    x = 22,101,127,244.72/170,431.30
  6. Step 6: Final answer
    x = 129,677.63

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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.