Home / 142,734.10-214,101.15-133,986.10

Finding the Fourth Proportional to 142,734.10, 214,101.15 and 133,986.10

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Solution

The fourth proportional to 142,734.10, 214,101.15 and 133,986.10 is: 200,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.10 : 214,101.15 = 133,986.10 : x
  2. Step 2: Convert to fraction form
    142,734.10/214,101.15 = 133,986.10/x
  3. Step 3: Cross multiply
    142,734.10x = 214,101.15 × 133,986.10
  4. Step 4: Simplify right side
    142,734.10x = 28,686,578,094.02
  5. Step 5: Solve for x
    x = 28,686,578,094.02/142,734.10
  6. Step 6: Final answer
    x = 200,979.15

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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.