Home / 170,443.39-255,665.07-52,114.72

Finding the Fourth Proportional to 170,443.39, 255,665.07 and 52,114.72

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Solution

The fourth proportional to 170,443.39, 255,665.07 and 52,114.72 is: 78,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443.39 : 255,665.07 = 52,114.72 : x
  2. Step 2: Convert to fraction form
    170,443.39/255,665.07 = 52,114.72/x
  3. Step 3: Cross multiply
    170,443.39x = 255,665.07 × 52,114.72
  4. Step 4: Simplify right side
    170,443.39x = 13,323,912,258.51
  5. Step 5: Solve for x
    x = 13,323,912,258.51/170,443.39
  6. Step 6: Final answer
    x = 78,172.07

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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.