Home / 162,543.10-243,339.45-115,887.10

Finding the Fourth Proportional to 162,543.10, 243,339.45 and 115,887.10

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Solution

The fourth proportional to 162,543.10, 243,339.45 and 115,887.10 is: 173,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,543.10 : 243,339.45 = 115,887.10 : x
  2. Step 2: Convert to fraction form
    162,543.10/243,339.45 = 115,887.10/x
  3. Step 3: Cross multiply
    162,543.10x = 243,339.45 × 115,887.10
  4. Step 4: Simplify right side
    162,543.10x = 28,199,903,176.10
  5. Step 5: Solve for x
    x = 28,199,903,176.10/162,543.10
  6. Step 6: Final answer
    x = 173,491.85

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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.