Home / 105,688.20-158,532.30-64,216.20

Finding the Fourth Proportional to 105,688.20, 158,532.30 and 64,216.20

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Solution

The fourth proportional to 105,688.20, 158,532.30 and 64,216.20 is: 96,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,688.20 : 158,532.30 = 64,216.20 : x
  2. Step 2: Convert to fraction form
    105,688.20/158,532.30 = 64,216.20/x
  3. Step 3: Cross multiply
    105,688.20x = 158,532.30 × 64,216.20
  4. Step 4: Simplify right side
    105,688.20x = 10,180,341,883.26
  5. Step 5: Solve for x
    x = 10,180,341,883.26/105,688.20
  6. Step 6: Final answer
    x = 96,324.30

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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.