Home / 152,690.49-229,051.43-52,850.52

Finding the Fourth Proportional to 152,690.49, 229,051.43 and 52,850.52

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Solution

The fourth proportional to 152,690.49, 229,051.43 and 52,850.52 is: 79,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,690.49 : 229,051.43 = 52,850.52 : x
  2. Step 2: Convert to fraction form
    152,690.49/229,051.43 = 52,850.52/x
  3. Step 3: Cross multiply
    152,690.49x = 229,051.43 × 52,850.52
  4. Step 4: Simplify right side
    152,690.49x = 12,105,486,917.99
  5. Step 5: Solve for x
    x = 12,105,486,917.99/152,690.49
  6. Step 6: Final answer
    x = 79,281.21

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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.