Home / 152,708.09-210,755.86-88,177.16

Finding the Fourth Proportional to 152,708.09, 210,755.86 and 88,177.16

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Solution

The fourth proportional to 152,708.09, 210,755.86 and 88,177.16 is: 121,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,708.09 : 210,755.86 = 88,177.16 : x
  2. Step 2: Convert to fraction form
    152,708.09/210,755.86 = 88,177.16/x
  3. Step 3: Cross multiply
    152,708.09x = 210,755.86 × 88,177.16
  4. Step 4: Simplify right side
    152,708.09x = 18,583,852,309.10
  5. Step 5: Solve for x
    x = 18,583,852,309.10/152,708.09
  6. Step 6: Final answer
    x = 121,695.27

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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.