Home / 152,239.40-210,135.30-88,605.48

Finding the Fourth Proportional to 152,239.40, 210,135.30 and 88,605.48

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Solution

The fourth proportional to 152,239.40, 210,135.30 and 88,605.48 is: 122,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,239.40 : 210,135.30 = 88,605.48 : x
  2. Step 2: Convert to fraction form
    152,239.40/210,135.30 = 88,605.48/x
  3. Step 3: Cross multiply
    152,239.40x = 210,135.30 × 88,605.48
  4. Step 4: Simplify right side
    152,239.40x = 18,619,139,121.44
  5. Step 5: Solve for x
    x = 18,619,139,121.44/152,239.40
  6. Step 6: Final answer
    x = 122,301.71

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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.