Home / 156,066.75-234,139.01-45,258.75

Finding the Fourth Proportional to 156,066.75, 234,139.01 and 45,258.75

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Solution

The fourth proportional to 156,066.75, 234,139.01 and 45,258.75 is: 67,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.75 : 234,139.01 = 45,258.75 : x
  2. Step 2: Convert to fraction form
    156,066.75/234,139.01 = 45,258.75/x
  3. Step 3: Cross multiply
    156,066.75x = 234,139.01 × 45,258.75
  4. Step 4: Simplify right side
    156,066.75x = 10,596,838,692.54
  5. Step 5: Solve for x
    x = 10,596,838,692.54/156,066.75
  6. Step 6: Final answer
    x = 67,899.40

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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.