Home / 126,980.00-175,196.94-100,038.89

Finding the Fourth Proportional to 126,980.00, 175,196.94 and 100,038.89

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Solution

The fourth proportional to 126,980.00, 175,196.94 and 100,038.89 is: 138,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,980.00 : 175,196.94 = 100,038.89 : x
  2. Step 2: Convert to fraction form
    126,980.00/175,196.94 = 100,038.89/x
  3. Step 3: Cross multiply
    126,980.00x = 175,196.94 × 100,038.89
  4. Step 4: Simplify right side
    126,980.00x = 17,526,506,157.87
  5. Step 5: Solve for x
    x = 17,526,506,157.87/126,980.00
  6. Step 6: Final answer
    x = 138,025.72

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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.