Home / 112,066.60-168,099.90-40,989.10

Finding the Fourth Proportional to 112,066.60, 168,099.90 and 40,989.10

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Solution

The fourth proportional to 112,066.60, 168,099.90 and 40,989.10 is: 61,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,066.60 : 168,099.90 = 40,989.10 : x
  2. Step 2: Convert to fraction form
    112,066.60/168,099.90 = 40,989.10/x
  3. Step 3: Cross multiply
    112,066.60x = 168,099.90 × 40,989.10
  4. Step 4: Simplify right side
    112,066.60x = 6,890,263,611.09
  5. Step 5: Solve for x
    x = 6,890,263,611.09/112,066.60
  6. Step 6: Final answer
    x = 61,483.65

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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.