Home / 168,152.35-252,110.28-78,099.46

Finding the Fourth Proportional to 168,152.35, 252,110.28 and 78,099.46

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Solution

The fourth proportional to 168,152.35, 252,110.28 and 78,099.46 is: 117,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,152.35 : 252,110.28 = 78,099.46 : x
  2. Step 2: Convert to fraction form
    168,152.35/252,110.28 = 78,099.46/x
  3. Step 3: Cross multiply
    168,152.35x = 252,110.28 × 78,099.46
  4. Step 4: Simplify right side
    168,152.35x = 19,689,676,098.17
  5. Step 5: Solve for x
    x = 19,689,676,098.17/168,152.35
  6. Step 6: Final answer
    x = 117,094.27

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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.