Home / 100,748.34-151,117.04-30,622.18

Finding the Fourth Proportional to 100,748.34, 151,117.04 and 30,622.18

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Solution

The fourth proportional to 100,748.34, 151,117.04 and 30,622.18 is: 45,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,748.34 : 151,117.04 = 30,622.18 : x
  2. Step 2: Convert to fraction form
    100,748.34/151,117.04 = 30,622.18/x
  3. Step 3: Cross multiply
    100,748.34x = 151,117.04 × 30,622.18
  4. Step 4: Simplify right side
    100,748.34x = 4,627,533,046.84
  5. Step 5: Solve for x
    x = 4,627,533,046.84/100,748.34
  6. Step 6: Final answer
    x = 45,931.61

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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.