Home / 125,989.04-173,865.34-69,400.28

Finding the Fourth Proportional to 125,989.04, 173,865.34 and 69,400.28

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Solution

The fourth proportional to 125,989.04, 173,865.34 and 69,400.28 is: 95,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,989.04 : 173,865.34 = 69,400.28 : x
  2. Step 2: Convert to fraction form
    125,989.04/173,865.34 = 69,400.28/x
  3. Step 3: Cross multiply
    125,989.04x = 173,865.34 × 69,400.28
  4. Step 4: Simplify right side
    125,989.04x = 12,066,303,278.30
  5. Step 5: Solve for x
    x = 12,066,303,278.30/125,989.04
  6. Step 6: Final answer
    x = 95,772.64

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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.