Home / 160,341.57-221,339.52-99,942.30

Finding the Fourth Proportional to 160,341.57, 221,339.52 and 99,942.30

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Solution

The fourth proportional to 160,341.57, 221,339.52 and 99,942.30 is: 137,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,341.57 : 221,339.52 = 99,942.30 : x
  2. Step 2: Convert to fraction form
    160,341.57/221,339.52 = 99,942.30/x
  3. Step 3: Cross multiply
    160,341.57x = 221,339.52 × 99,942.30
  4. Step 4: Simplify right side
    160,341.57x = 22,121,180,709.70
  5. Step 5: Solve for x
    x = 22,121,180,709.70/160,341.57
  6. Step 6: Final answer
    x = 137,962.85

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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.