Home / 170,178.08-255,260.80-68,972.64

Finding the Fourth Proportional to 170,178.08, 255,260.80 and 68,972.64

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Solution

The fourth proportional to 170,178.08, 255,260.80 and 68,972.64 is: 103,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,178.08 : 255,260.80 = 68,972.64 : x
  2. Step 2: Convert to fraction form
    170,178.08/255,260.80 = 68,972.64/x
  3. Step 3: Cross multiply
    170,178.08x = 255,260.80 × 68,972.64
  4. Step 4: Simplify right side
    170,178.08x = 17,606,011,264.51
  5. Step 5: Solve for x
    x = 17,606,011,264.51/170,178.08
  6. Step 6: Final answer
    x = 103,456.40

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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.