Home / 152,758.21-229,082.64-52,891.60

Finding the Fourth Proportional to 152,758.21, 229,082.64 and 52,891.60

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Solution

The fourth proportional to 152,758.21, 229,082.64 and 52,891.60 is: 79,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,758.21 : 229,082.64 = 52,891.60 : x
  2. Step 2: Convert to fraction form
    152,758.21/229,082.64 = 52,891.60/x
  3. Step 3: Cross multiply
    152,758.21x = 229,082.64 × 52,891.60
  4. Step 4: Simplify right side
    152,758.21x = 12,116,547,361.82
  5. Step 5: Solve for x
    x = 12,116,547,361.82/152,758.21
  6. Step 6: Final answer
    x = 79,318.47

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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.