Home / 160,455.79-221,437.16-88,843.69

Finding the Fourth Proportional to 160,455.79, 221,437.16 and 88,843.69

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Solution

The fourth proportional to 160,455.79, 221,437.16 and 88,843.69 is: 122,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,455.79 : 221,437.16 = 88,843.69 : x
  2. Step 2: Convert to fraction form
    160,455.79/221,437.16 = 88,843.69/x
  3. Step 3: Cross multiply
    160,455.79x = 221,437.16 × 88,843.69
  4. Step 4: Simplify right side
    160,455.79x = 19,673,294,397.52
  5. Step 5: Solve for x
    x = 19,673,294,397.52/160,455.79
  6. Step 6: Final answer
    x = 122,608.82

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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.