Home / 142,741.06-214,115.08-47,972.64

Finding the Fourth Proportional to 142,741.06, 214,115.08 and 47,972.64

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Solution

The fourth proportional to 142,741.06, 214,115.08 and 47,972.64 is: 71,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.06 : 214,115.08 = 47,972.64 : x
  2. Step 2: Convert to fraction form
    142,741.06/214,115.08 = 47,972.64/x
  3. Step 3: Cross multiply
    142,741.06x = 214,115.08 × 47,972.64
  4. Step 4: Simplify right side
    142,741.06x = 10,271,665,651.41
  5. Step 5: Solve for x
    x = 10,271,665,651.41/142,741.06
  6. Step 6: Final answer
    x = 71,960.13

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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.