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Finding the Fourth Proportional to 160,603.04, 221,622.93 and 88,978.79

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Solution

The fourth proportional to 160,603.04, 221,622.93 and 88,978.79 is: 122,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,603.04 : 221,622.93 = 88,978.79 : x
  2. Step 2: Convert to fraction form
    160,603.04/221,622.93 = 88,978.79/x
  3. Step 3: Cross multiply
    160,603.04x = 221,622.93 × 88,978.79
  4. Step 4: Simplify right side
    160,603.04x = 19,719,739,039.54
  5. Step 5: Solve for x
    x = 19,719,739,039.54/160,603.04
  6. Step 6: Final answer
    x = 122,785.59

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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.