Home / 208,495.24-312,527.98-82,084.21

Finding the Fourth Proportional to 208,495.24, 312,527.98 and 82,084.21

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Solution

The fourth proportional to 208,495.24, 312,527.98 and 82,084.21 is: 123,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,495.24 : 312,527.98 = 82,084.21 : x
  2. Step 2: Convert to fraction form
    208,495.24/312,527.98 = 82,084.21/x
  3. Step 3: Cross multiply
    208,495.24x = 312,527.98 × 82,084.21
  4. Step 4: Simplify right side
    208,495.24x = 25,653,612,341.20
  5. Step 5: Solve for x
    x = 25,653,612,341.20/208,495.24
  6. Step 6: Final answer
    x = 123,041.72

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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.