Home / 160,644.51-221,684.18-96,971.22

Finding the Fourth Proportional to 160,644.51, 221,684.18 and 96,971.22

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Solution

The fourth proportional to 160,644.51, 221,684.18 and 96,971.22 is: 133,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,644.51 : 221,684.18 = 96,971.22 : x
  2. Step 2: Convert to fraction form
    160,644.51/221,684.18 = 96,971.22/x
  3. Step 3: Cross multiply
    160,644.51x = 221,684.18 × 96,971.22
  4. Step 4: Simplify right side
    160,644.51x = 21,496,984,904.44
  5. Step 5: Solve for x
    x = 21,496,984,904.44/160,644.51
  6. Step 6: Final answer
    x = 133,817.12

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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.