Home / 156,975.40-235,457.90-68,229.02

Finding the Fourth Proportional to 156,975.40, 235,457.90 and 68,229.02

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Solution

The fourth proportional to 156,975.40, 235,457.90 and 68,229.02 is: 102,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.40 : 235,457.90 = 68,229.02 : x
  2. Step 2: Convert to fraction form
    156,975.40/235,457.90 = 68,229.02/x
  3. Step 3: Cross multiply
    156,975.40x = 235,457.90 × 68,229.02
  4. Step 4: Simplify right side
    156,975.40x = 16,065,061,768.26
  5. Step 5: Solve for x
    x = 16,065,061,768.26/156,975.40
  6. Step 6: Final answer
    x = 102,341.27

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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.