Home / 112,357.20-168,608.70-64,972.20

Finding the Fourth Proportional to 112,357.20, 168,608.70 and 64,972.20

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Solution

The fourth proportional to 112,357.20, 168,608.70 and 64,972.20 is: 97,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,357.20 : 168,608.70 = 64,972.20 : x
  2. Step 2: Convert to fraction form
    112,357.20/168,608.70 = 64,972.20/x
  3. Step 3: Cross multiply
    112,357.20x = 168,608.70 × 64,972.20
  4. Step 4: Simplify right side
    112,357.20x = 10,954,878,178.14
  5. Step 5: Solve for x
    x = 10,954,878,178.14/112,357.20
  6. Step 6: Final answer
    x = 97,500.46

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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.