Home / 170,973.48-256,384.92-90,992.16

Finding the Fourth Proportional to 170,973.48, 256,384.92 and 90,992.16

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Solution

The fourth proportional to 170,973.48, 256,384.92 and 90,992.16 is: 136,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,973.48 : 256,384.92 = 90,992.16 : x
  2. Step 2: Convert to fraction form
    170,973.48/256,384.92 = 90,992.16/x
  3. Step 3: Cross multiply
    170,973.48x = 256,384.92 × 90,992.16
  4. Step 4: Simplify right side
    170,973.48x = 23,329,017,747.53
  5. Step 5: Solve for x
    x = 23,329,017,747.53/170,973.48
  6. Step 6: Final answer
    x = 136,448.16

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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.