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Finding the Fourth Proportional to 149,298.76, 223,838.34 and 70,370.20

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Solution

The fourth proportional to 149,298.76, 223,838.34 and 70,370.20 is: 105,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,298.76 : 223,838.34 = 70,370.20 : x
  2. Step 2: Convert to fraction form
    149,298.76/223,838.34 = 70,370.20/x
  3. Step 3: Cross multiply
    149,298.76x = 223,838.34 × 70,370.20
  4. Step 4: Simplify right side
    149,298.76x = 15,751,548,753.47
  5. Step 5: Solve for x
    x = 15,751,548,753.47/149,298.76
  6. Step 6: Final answer
    x = 105,503.55

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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.