Home / 142,656.24-214,008.66-71,612.76

Finding the Fourth Proportional to 142,656.24, 214,008.66 and 71,612.76

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Solution

The fourth proportional to 142,656.24, 214,008.66 and 71,612.76 is: 107,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,656.24 : 214,008.66 = 71,612.76 : x
  2. Step 2: Convert to fraction form
    142,656.24/214,008.66 = 71,612.76/x
  3. Step 3: Cross multiply
    142,656.24x = 214,008.66 × 71,612.76
  4. Step 4: Simplify right side
    142,656.24x = 15,325,750,806.50
  5. Step 5: Solve for x
    x = 15,325,750,806.50/142,656.24
  6. Step 6: Final answer
    x = 107,431.34

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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.