Home / 152,310.20-210,181.23-84,322.40

Finding the Fourth Proportional to 152,310.20, 210,181.23 and 84,322.40

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Solution

The fourth proportional to 152,310.20, 210,181.23 and 84,322.40 is: 116,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,310.20 : 210,181.23 = 84,322.40 : x
  2. Step 2: Convert to fraction form
    152,310.20/210,181.23 = 84,322.40/x
  3. Step 3: Cross multiply
    152,310.20x = 210,181.23 × 84,322.40
  4. Step 4: Simplify right side
    152,310.20x = 17,722,984,697.65
  5. Step 5: Solve for x
    x = 17,722,984,697.65/152,310.20
  6. Step 6: Final answer
    x = 116,361.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.