Home / 170,157.12-255,077.95-75,336.76

Finding the Fourth Proportional to 170,157.12, 255,077.95 and 75,336.76

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Solution

The fourth proportional to 170,157.12, 255,077.95 and 75,336.76 is: 112,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,157.12 : 255,077.95 = 75,336.76 : x
  2. Step 2: Convert to fraction form
    170,157.12/255,077.95 = 75,336.76/x
  3. Step 3: Cross multiply
    170,157.12x = 255,077.95 × 75,336.76
  4. Step 4: Simplify right side
    170,157.12x = 19,216,746,300.44
  5. Step 5: Solve for x
    x = 19,216,746,300.44/170,157.12
  6. Step 6: Final answer
    x = 112,935.31

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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.