Home / 152,211.25-210,093.75-88,561.35

Finding the Fourth Proportional to 152,211.25, 210,093.75 and 88,561.35

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Solution

The fourth proportional to 152,211.25, 210,093.75 and 88,561.35 is: 122,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,211.25 : 210,093.75 = 88,561.35 : x
  2. Step 2: Convert to fraction form
    152,211.25/210,093.75 = 88,561.35/x
  3. Step 3: Cross multiply
    152,211.25x = 210,093.75 × 88,561.35
  4. Step 4: Simplify right side
    152,211.25x = 18,606,186,126.56
  5. Step 5: Solve for x
    x = 18,606,186,126.56/152,211.25
  6. Step 6: Final answer
    x = 122,239.23

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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.