Home / 219,931.35-303,496.98-124,440.12

Finding the Fourth Proportional to 219,931.35, 303,496.98 and 124,440.12

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Solution

The fourth proportional to 219,931.35, 303,496.98 and 124,440.12 is: 171,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,931.35 : 303,496.98 = 124,440.12 : x
  2. Step 2: Convert to fraction form
    219,931.35/303,496.98 = 124,440.12/x
  3. Step 3: Cross multiply
    219,931.35x = 303,496.98 × 124,440.12
  4. Step 4: Simplify right side
    219,931.35x = 37,767,200,610.84
  5. Step 5: Solve for x
    x = 37,767,200,610.84/219,931.35
  6. Step 6: Final answer
    x = 171,722.68

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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.