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Finding the Fourth Proportional to 160,801.54, 221,913.54 and 89,177.29

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Solution

The fourth proportional to 160,801.54, 221,913.54 and 89,177.29 is: 123,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,801.54 : 221,913.54 = 89,177.29 : x
  2. Step 2: Convert to fraction form
    160,801.54/221,913.54 = 89,177.29/x
  3. Step 3: Cross multiply
    160,801.54x = 221,913.54 × 89,177.29
  4. Step 4: Simplify right side
    160,801.54x = 19,789,648,111.51
  5. Step 5: Solve for x
    x = 19,789,648,111.51/160,801.54
  6. Step 6: Final answer
    x = 123,068.77

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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.