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Finding the Fourth Proportional to 177,880.34, 245,480.72 and 101,398.07

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Solution

The fourth proportional to 177,880.34, 245,480.72 and 101,398.07 is: 139,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.34 : 245,480.72 = 101,398.07 : x
  2. Step 2: Convert to fraction form
    177,880.34/245,480.72 = 101,398.07/x
  3. Step 3: Cross multiply
    177,880.34x = 245,480.72 × 101,398.07
  4. Step 4: Simplify right side
    177,880.34x = 24,891,270,723.22
  5. Step 5: Solve for x
    x = 24,891,270,723.22/177,880.34
  6. Step 6: Final answer
    x = 139,932.67

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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.