Home / 221,370.32-305,478.60-125,900.24

Finding the Fourth Proportional to 221,370.32, 305,478.60 and 125,900.24

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Solution

The fourth proportional to 221,370.32, 305,478.60 and 125,900.24 is: 173,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,370.32 : 305,478.60 = 125,900.24 : x
  2. Step 2: Convert to fraction form
    221,370.32/305,478.60 = 125,900.24/x
  3. Step 3: Cross multiply
    221,370.32x = 305,478.60 × 125,900.24
  4. Step 4: Simplify right side
    221,370.32x = 38,459,829,054.86
  5. Step 5: Solve for x
    x = 38,459,829,054.86/221,370.32
  6. Step 6: Final answer
    x = 173,735.26

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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.