Home / 142,770.96-214,119.12-42,904.44

Finding the Fourth Proportional to 142,770.96, 214,119.12 and 42,904.44

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Solution

The fourth proportional to 142,770.96, 214,119.12 and 42,904.44 is: 64,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,770.96 : 214,119.12 = 42,904.44 : x
  2. Step 2: Convert to fraction form
    142,770.96/214,119.12 = 42,904.44/x
  3. Step 3: Cross multiply
    142,770.96x = 214,119.12 × 42,904.44
  4. Step 4: Simplify right side
    142,770.96x = 9,186,660,936.89
  5. Step 5: Solve for x
    x = 9,186,660,936.89/142,770.96
  6. Step 6: Final answer
    x = 64,345.44

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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.