Home / 152,132.70-209,873.28-98,435.22

Finding the Fourth Proportional to 152,132.70, 209,873.28 and 98,435.22

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Solution

The fourth proportional to 152,132.70, 209,873.28 and 98,435.22 is: 135,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,132.70 : 209,873.28 = 98,435.22 : x
  2. Step 2: Convert to fraction form
    152,132.70/209,873.28 = 98,435.22/x
  3. Step 3: Cross multiply
    152,132.70x = 209,873.28 × 98,435.22
  4. Step 4: Simplify right side
    152,132.70x = 20,658,922,488.92
  5. Step 5: Solve for x
    x = 20,658,922,488.92/152,132.70
  6. Step 6: Final answer
    x = 135,795.41

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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.