Home / 170,285.12-255,427.74-70,335.47

Finding the Fourth Proportional to 170,285.12, 255,427.74 and 70,335.47

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Solution

The fourth proportional to 170,285.12, 255,427.74 and 70,335.47 is: 105,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,285.12 : 255,427.74 = 70,335.47 : x
  2. Step 2: Convert to fraction form
    170,285.12/255,427.74 = 70,335.47/x
  3. Step 3: Cross multiply
    170,285.12x = 255,427.74 × 70,335.47
  4. Step 4: Simplify right side
    170,285.12x = 17,965,630,143.94
  5. Step 5: Solve for x
    x = 17,965,630,143.94/170,285.12
  6. Step 6: Final answer
    x = 105,503.23

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1.5x scale

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.