Home / 152,215.20-210,057.71-88,555.28

Finding the Fourth Proportional to 152,215.20, 210,057.71 and 88,555.28

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Solution

The fourth proportional to 152,215.20, 210,057.71 and 88,555.28 is: 122,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.20 : 210,057.71 = 88,555.28 : x
  2. Step 2: Convert to fraction form
    152,215.20/210,057.71 = 88,555.28/x
  3. Step 3: Cross multiply
    152,215.20x = 210,057.71 × 88,555.28
  4. Step 4: Simplify right side
    152,215.20x = 18,601,717,832.14
  5. Step 5: Solve for x
    x = 18,601,717,832.14/152,215.20
  6. Step 6: Final answer
    x = 122,206.70

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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.