Home / 221,352.03-305,465.84-125,864.57

Finding the Fourth Proportional to 221,352.03, 305,465.84 and 125,864.57

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Solution

The fourth proportional to 221,352.03, 305,465.84 and 125,864.57 is: 173,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,352.03 : 305,465.84 = 125,864.57 : x
  2. Step 2: Convert to fraction form
    221,352.03/305,465.84 = 125,864.57/x
  3. Step 3: Cross multiply
    221,352.03x = 305,465.84 × 125,864.57
  4. Step 4: Simplify right side
    221,352.03x = 38,447,324,444.64
  5. Step 5: Solve for x
    x = 38,447,324,444.64/221,352.03
  6. Step 6: Final answer
    x = 173,693.12

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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.