Home / 112,034.70-168,052.05-78,792.30

Finding the Fourth Proportional to 112,034.70, 168,052.05 and 78,792.30

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Solution

The fourth proportional to 112,034.70, 168,052.05 and 78,792.30 is: 118,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.70 : 168,052.05 = 78,792.30 : x
  2. Step 2: Convert to fraction form
    112,034.70/168,052.05 = 78,792.30/x
  3. Step 3: Cross multiply
    112,034.70x = 168,052.05 × 78,792.30
  4. Step 4: Simplify right side
    112,034.70x = 13,241,207,539.22
  5. Step 5: Solve for x
    x = 13,241,207,539.22/112,034.70
  6. Step 6: Final answer
    x = 118,188.45

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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.