Home / 108,533.40-163,049.70-76,586.04

Finding the Fourth Proportional to 108,533.40, 163,049.70 and 76,586.04

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Solution

The fourth proportional to 108,533.40, 163,049.70 and 76,586.04 is: 115,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,533.40 : 163,049.70 = 76,586.04 : x
  2. Step 2: Convert to fraction form
    108,533.40/163,049.70 = 76,586.04/x
  3. Step 3: Cross multiply
    108,533.40x = 163,049.70 × 76,586.04
  4. Step 4: Simplify right side
    108,533.40x = 12,487,330,846.19
  5. Step 5: Solve for x
    x = 12,487,330,846.19/108,533.40
  6. Step 6: Final answer
    x = 115,055.19

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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.