Home / 152,275.80-210,112.74-88,634.10

Finding the Fourth Proportional to 152,275.80, 210,112.74 and 88,634.10

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Solution

The fourth proportional to 152,275.80, 210,112.74 and 88,634.10 is: 122,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,275.80 : 210,112.74 = 88,634.10 : x
  2. Step 2: Convert to fraction form
    152,275.80/210,112.74 = 88,634.10/x
  3. Step 3: Cross multiply
    152,275.80x = 210,112.74 × 88,634.10
  4. Step 4: Simplify right side
    152,275.80x = 18,623,153,608.43
  5. Step 5: Solve for x
    x = 18,623,153,608.43/152,275.80
  6. Step 6: Final answer
    x = 122,298.84

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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.