Home / 127,108.68-175,409.89-69,748.35

Finding the Fourth Proportional to 127,108.68, 175,409.89 and 69,748.35

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Solution

The fourth proportional to 127,108.68, 175,409.89 and 69,748.35 is: 96,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.68 : 175,409.89 = 69,748.35 : x
  2. Step 2: Convert to fraction form
    127,108.68/175,409.89 = 69,748.35/x
  3. Step 3: Cross multiply
    127,108.68x = 175,409.89 × 69,748.35
  4. Step 4: Simplify right side
    127,108.68x = 12,234,550,401.18
  5. Step 5: Solve for x
    x = 12,234,550,401.18/127,108.68
  6. Step 6: Final answer
    x = 96,252.67

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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.