Home / 145,186.44-200,322.22-84,722.57

Finding the Fourth Proportional to 145,186.44, 200,322.22 and 84,722.57

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Solution

The fourth proportional to 145,186.44, 200,322.22 and 84,722.57 is: 116,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,186.44 : 200,322.22 = 84,722.57 : x
  2. Step 2: Convert to fraction form
    145,186.44/200,322.22 = 84,722.57/x
  3. Step 3: Cross multiply
    145,186.44x = 200,322.22 × 84,722.57
  4. Step 4: Simplify right side
    145,186.44x = 16,971,813,306.51
  5. Step 5: Solve for x
    x = 16,971,813,306.51/145,186.44
  6. Step 6: Final answer
    x = 116,896.68

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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.