Home / 373,972.20-561,152.70-163,631.40

Finding the Fourth Proportional to 373,972.20, 561,152.70 and 163,631.40

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Solution

The fourth proportional to 373,972.20, 561,152.70 and 163,631.40 is: 245,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,972.20 : 561,152.70 = 163,631.40 : x
  2. Step 2: Convert to fraction form
    373,972.20/561,152.70 = 163,631.40/x
  3. Step 3: Cross multiply
    373,972.20x = 561,152.70 × 163,631.40
  4. Step 4: Simplify right side
    373,972.20x = 91,822,201,914.78
  5. Step 5: Solve for x
    x = 91,822,201,914.78/373,972.20
  6. Step 6: Final answer
    x = 245,532.16

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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.