Home / 163,565.91-245,265.83-74,743.31

Finding the Fourth Proportional to 163,565.91, 245,265.83 and 74,743.31

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Solution

The fourth proportional to 163,565.91, 245,265.83 and 74,743.31 is: 112,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,565.91 : 245,265.83 = 74,743.31 : x
  2. Step 2: Convert to fraction form
    163,565.91/245,265.83 = 74,743.31/x
  3. Step 3: Cross multiply
    163,565.91x = 245,265.83 × 74,743.31
  4. Step 4: Simplify right side
    163,565.91x = 18,331,978,364.05
  5. Step 5: Solve for x
    x = 18,331,978,364.05/163,565.91
  6. Step 6: Final answer
    x = 112,077.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.