Home / 152,279.80-210,110.70-88,581.40

Finding the Fourth Proportional to 152,279.80, 210,110.70 and 88,581.40

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Solution

The fourth proportional to 152,279.80, 210,110.70 and 88,581.40 is: 122,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.80 : 210,110.70 = 88,581.40 : x
  2. Step 2: Convert to fraction form
    152,279.80/210,110.70 = 88,581.40/x
  3. Step 3: Cross multiply
    152,279.80x = 210,110.70 × 88,581.40
  4. Step 4: Simplify right side
    152,279.80x = 18,611,899,960.98
  5. Step 5: Solve for x
    x = 18,611,899,960.98/152,279.80
  6. Step 6: Final answer
    x = 122,221.73

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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.