Home / 160,472.27-221,455.22-87,878.25

Finding the Fourth Proportional to 160,472.27, 221,455.22 and 87,878.25

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Solution

The fourth proportional to 160,472.27, 221,455.22 and 87,878.25 is: 121,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,472.27 : 221,455.22 = 87,878.25 : x
  2. Step 2: Convert to fraction form
    160,472.27/221,455.22 = 87,878.25/x
  3. Step 3: Cross multiply
    160,472.27x = 221,455.22 × 87,878.25
  4. Step 4: Simplify right side
    160,472.27x = 19,461,096,747.57
  5. Step 5: Solve for x
    x = 19,461,096,747.57/160,472.27
  6. Step 6: Final answer
    x = 121,273.89

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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.