Home / 160,431.60-221,398.23-87,833.27

Finding the Fourth Proportional to 160,431.60, 221,398.23 and 87,833.27

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Solution

The fourth proportional to 160,431.60, 221,398.23 and 87,833.27 is: 121,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.60 : 221,398.23 = 87,833.27 : x
  2. Step 2: Convert to fraction form
    160,431.60/221,398.23 = 87,833.27/x
  3. Step 3: Cross multiply
    160,431.60x = 221,398.23 × 87,833.27
  4. Step 4: Simplify right side
    160,431.60x = 19,446,130,901.92
  5. Step 5: Solve for x
    x = 19,446,130,901.92/160,431.60
  6. Step 6: Final answer
    x = 121,211.35

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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.