Home / 160,338.05-221,397.30-103,005.83

Finding the Fourth Proportional to 160,338.05, 221,397.30 and 103,005.83

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Solution

The fourth proportional to 160,338.05, 221,397.30 and 103,005.83 is: 142,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,338.05 : 221,397.30 = 103,005.83 : x
  2. Step 2: Convert to fraction form
    160,338.05/221,397.30 = 103,005.83/x
  3. Step 3: Cross multiply
    160,338.05x = 221,397.30 × 103,005.83
  4. Step 4: Simplify right side
    160,338.05x = 22,805,212,646.26
  5. Step 5: Solve for x
    x = 22,805,212,646.26/160,338.05
  6. Step 6: Final answer
    x = 142,232.07

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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.