Home / 141,621.32-212,444.40-36,440.12

Finding the Fourth Proportional to 141,621.32, 212,444.40 and 36,440.12

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Solution

The fourth proportional to 141,621.32, 212,444.40 and 36,440.12 is: 54,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.32 : 212,444.40 = 36,440.12 : x
  2. Step 2: Convert to fraction form
    141,621.32/212,444.40 = 36,440.12/x
  3. Step 3: Cross multiply
    141,621.32x = 212,444.40 × 36,440.12
  4. Step 4: Simplify right side
    141,621.32x = 7,741,499,429.33
  5. Step 5: Solve for x
    x = 7,741,499,429.33/141,621.32
  6. Step 6: Final answer
    x = 54,663.38

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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.