Home / 194,915.20-292,372.80-163,422.40

Finding the Fourth Proportional to 194,915.20, 292,372.80 and 163,422.40

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Solution

The fourth proportional to 194,915.20, 292,372.80 and 163,422.40 is: 245,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,915.20 : 292,372.80 = 163,422.40 : x
  2. Step 2: Convert to fraction form
    194,915.20/292,372.80 = 163,422.40/x
  3. Step 3: Cross multiply
    194,915.20x = 292,372.80 × 163,422.40
  4. Step 4: Simplify right side
    194,915.20x = 47,780,264,670.72
  5. Step 5: Solve for x
    x = 47,780,264,670.72/194,915.20
  6. Step 6: Final answer
    x = 245,133.60

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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.