Home / 152,372.76-210,286.32-87,862.74

Finding the Fourth Proportional to 152,372.76, 210,286.32 and 87,862.74

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Solution

The fourth proportional to 152,372.76, 210,286.32 and 87,862.74 is: 121,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,372.76 : 210,286.32 = 87,862.74 : x
  2. Step 2: Convert to fraction form
    152,372.76/210,286.32 = 87,862.74/x
  3. Step 3: Cross multiply
    152,372.76x = 210,286.32 × 87,862.74
  4. Step 4: Simplify right side
    152,372.76x = 18,476,332,259.72
  5. Step 5: Solve for x
    x = 18,476,332,259.72/152,372.76
  6. Step 6: Final answer
    x = 121,257.45

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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.