Home / 152,414.35-210,329.53-84,431.12

Finding the Fourth Proportional to 152,414.35, 210,329.53 and 84,431.12

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Solution

The fourth proportional to 152,414.35, 210,329.53 and 84,431.12 is: 116,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,414.35 : 210,329.53 = 84,431.12 : x
  2. Step 2: Convert to fraction form
    152,414.35/210,329.53 = 84,431.12/x
  3. Step 3: Cross multiply
    152,414.35x = 210,329.53 × 84,431.12
  4. Step 4: Simplify right side
    152,414.35x = 17,758,356,524.25
  5. Step 5: Solve for x
    x = 17,758,356,524.25/152,414.35
  6. Step 6: Final answer
    x = 116,513.68

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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.