Home / 197,355.87-295,989.15-90,637.23

Finding the Fourth Proportional to 197,355.87, 295,989.15 and 90,637.23

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Solution

The fourth proportional to 197,355.87, 295,989.15 and 90,637.23 is: 135,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,355.87 : 295,989.15 = 90,637.23 : x
  2. Step 2: Convert to fraction form
    197,355.87/295,989.15 = 90,637.23/x
  3. Step 3: Cross multiply
    197,355.87x = 295,989.15 × 90,637.23
  4. Step 4: Simplify right side
    197,355.87x = 26,827,636,967.02
  5. Step 5: Solve for x
    x = 26,827,636,967.02/197,355.87
  6. Step 6: Final answer
    x = 135,935.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.