Home / 108,246.60-162,369.96-70,838.16

Finding the Fourth Proportional to 108,246.60, 162,369.96 and 70,838.16

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Solution

The fourth proportional to 108,246.60, 162,369.96 and 70,838.16 is: 106,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,246.60 : 162,369.96 = 70,838.16 : x
  2. Step 2: Convert to fraction form
    108,246.60/162,369.96 = 70,838.16/x
  3. Step 3: Cross multiply
    108,246.60x = 162,369.96 × 70,838.16
  4. Step 4: Simplify right side
    108,246.60x = 11,501,989,205.67
  5. Step 5: Solve for x
    x = 11,501,989,205.67/108,246.60
  6. Step 6: Final answer
    x = 106,257.28

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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.