Home / 101,162.12-139,518.04-60,868.36

Finding the Fourth Proportional to 101,162.12, 139,518.04 and 60,868.36

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Solution

The fourth proportional to 101,162.12, 139,518.04 and 60,868.36 is: 83,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,162.12 : 139,518.04 = 60,868.36 : x
  2. Step 2: Convert to fraction form
    101,162.12/139,518.04 = 60,868.36/x
  3. Step 3: Cross multiply
    101,162.12x = 139,518.04 × 60,868.36
  4. Step 4: Simplify right side
    101,162.12x = 8,492,234,285.21
  5. Step 5: Solve for x
    x = 8,492,234,285.21/101,162.12
  6. Step 6: Final answer
    x = 83,946.78

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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.