Home / 120,802.48-166,694.16-69,120.16

Finding the Fourth Proportional to 120,802.48, 166,694.16 and 69,120.16

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Solution

The fourth proportional to 120,802.48, 166,694.16 and 69,120.16 is: 95,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802.48 : 166,694.16 = 69,120.16 : x
  2. Step 2: Convert to fraction form
    120,802.48/166,694.16 = 69,120.16/x
  3. Step 3: Cross multiply
    120,802.48x = 166,694.16 × 69,120.16
  4. Step 4: Simplify right side
    120,802.48x = 11,521,927,010.27
  5. Step 5: Solve for x
    x = 11,521,927,010.27/120,802.48
  6. Step 6: Final answer
    x = 95,378.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.