Home / 160,477.76-221,228.52-112,582.64

Finding the Fourth Proportional to 160,477.76, 221,228.52 and 112,582.64

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Solution

The fourth proportional to 160,477.76, 221,228.52 and 112,582.64 is: 155,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,477.76 : 221,228.52 = 112,582.64 : x
  2. Step 2: Convert to fraction form
    160,477.76/221,228.52 = 112,582.64/x
  3. Step 3: Cross multiply
    160,477.76x = 221,228.52 × 112,582.64
  4. Step 4: Simplify right side
    160,477.76x = 24,906,490,824.89
  5. Step 5: Solve for x
    x = 24,906,490,824.89/160,477.76
  6. Step 6: Final answer
    x = 155,202.13

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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.