Home / 131,645.04-197,447.28-42,898.32

Finding the Fourth Proportional to 131,645.04, 197,447.28 and 42,898.32

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Solution

The fourth proportional to 131,645.04, 197,447.28 and 42,898.32 is: 64,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,645.04 : 197,447.28 = 42,898.32 : x
  2. Step 2: Convert to fraction form
    131,645.04/197,447.28 = 42,898.32/x
  3. Step 3: Cross multiply
    131,645.04x = 197,447.28 × 42,898.32
  4. Step 4: Simplify right side
    131,645.04x = 8,470,156,600.57
  5. Step 5: Solve for x
    x = 8,470,156,600.57/131,645.04
  6. Step 6: Final answer
    x = 64,340.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.