Home / 112,066.10-168,099.15-40,988.60

Finding the Fourth Proportional to 112,066.10, 168,099.15 and 40,988.60

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Solution

The fourth proportional to 112,066.10, 168,099.15 and 40,988.60 is: 61,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,066.10 : 168,099.15 = 40,988.60 : x
  2. Step 2: Convert to fraction form
    112,066.10/168,099.15 = 40,988.60/x
  3. Step 3: Cross multiply
    112,066.10x = 168,099.15 × 40,988.60
  4. Step 4: Simplify right side
    112,066.10x = 6,890,148,819.69
  5. Step 5: Solve for x
    x = 6,890,148,819.69/112,066.10
  6. Step 6: Final answer
    x = 61,482.90

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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.