Home / 160,465.34-221,445.62-87,871.29

Finding the Fourth Proportional to 160,465.34, 221,445.62 and 87,871.29

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Solution

The fourth proportional to 160,465.34, 221,445.62 and 87,871.29 is: 121,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,465.34 : 221,445.62 = 87,871.29 : x
  2. Step 2: Convert to fraction form
    160,465.34/221,445.62 = 87,871.29/x
  3. Step 3: Cross multiply
    160,465.34x = 221,445.62 × 87,871.29
  4. Step 4: Simplify right side
    160,465.34x = 19,458,711,854.89
  5. Step 5: Solve for x
    x = 19,458,711,854.89/160,465.34
  6. Step 6: Final answer
    x = 121,264.27

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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.