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Finding the Fourth Proportional to 160,362.32, 221,296.68 and 88,738.04

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Solution

The fourth proportional to 160,362.32, 221,296.68 and 88,738.04 is: 122,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,362.32 : 221,296.68 = 88,738.04 : x
  2. Step 2: Convert to fraction form
    160,362.32/221,296.68 = 88,738.04/x
  3. Step 3: Cross multiply
    160,362.32x = 221,296.68 × 88,738.04
  4. Step 4: Simplify right side
    160,362.32x = 19,637,433,641.71
  5. Step 5: Solve for x
    x = 19,637,433,641.71/160,362.32
  6. Step 6: Final answer
    x = 122,456.66

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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.