Home / 138,928.50-208,392.76-33,746.76

Finding the Fourth Proportional to 138,928.50, 208,392.76 and 33,746.76

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Solution

The fourth proportional to 138,928.50, 208,392.76 and 33,746.76 is: 50,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,928.50 : 208,392.76 = 33,746.76 : x
  2. Step 2: Convert to fraction form
    138,928.50/208,392.76 = 33,746.76/x
  3. Step 3: Cross multiply
    138,928.50x = 208,392.76 × 33,746.76
  4. Step 4: Simplify right side
    138,928.50x = 7,032,580,457.46
  5. Step 5: Solve for x
    x = 7,032,580,457.46/138,928.50
  6. Step 6: Final answer
    x = 50,620.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.