Home / 125,530.04-173,232.81-68,941.42

Finding the Fourth Proportional to 125,530.04, 173,232.81 and 68,941.42

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Solution

The fourth proportional to 125,530.04, 173,232.81 and 68,941.42 is: 95,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.04 : 173,232.81 = 68,941.42 : x
  2. Step 2: Convert to fraction form
    125,530.04/173,232.81 = 68,941.42/x
  3. Step 3: Cross multiply
    125,530.04x = 173,232.81 × 68,941.42
  4. Step 4: Simplify right side
    125,530.04x = 11,942,915,478.91
  5. Step 5: Solve for x
    x = 11,942,915,478.91/125,530.04
  6. Step 6: Final answer
    x = 95,139.90

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1.5x scale

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.