Home / 170,269.71-255,174.93-86,089.25

Finding the Fourth Proportional to 170,269.71, 255,174.93 and 86,089.25

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Solution

The fourth proportional to 170,269.71, 255,174.93 and 86,089.25 is: 129,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,269.71 : 255,174.93 = 86,089.25 : x
  2. Step 2: Convert to fraction form
    170,269.71/255,174.93 = 86,089.25/x
  3. Step 3: Cross multiply
    170,269.71x = 255,174.93 × 86,089.25
  4. Step 4: Simplify right side
    170,269.71x = 21,967,817,066.63
  5. Step 5: Solve for x
    x = 21,967,817,066.63/170,269.71
  6. Step 6: Final answer
    x = 129,017.76

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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.