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Finding the Fourth Proportional to 160,682.78, 221,740.02 and 89,061.26

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Solution

The fourth proportional to 160,682.78, 221,740.02 and 89,061.26 is: 122,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,682.78 : 221,740.02 = 89,061.26 : x
  2. Step 2: Convert to fraction form
    160,682.78/221,740.02 = 89,061.26/x
  3. Step 3: Cross multiply
    160,682.78x = 221,740.02 × 89,061.26
  4. Step 4: Simplify right side
    160,682.78x = 19,748,445,573.63
  5. Step 5: Solve for x
    x = 19,748,445,573.63/160,682.78
  6. Step 6: Final answer
    x = 122,903.31

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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.