Home / 199,392.72-275,152.25-118,818.45

Finding the Fourth Proportional to 199,392.72, 275,152.25 and 118,818.45

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Solution

The fourth proportional to 199,392.72, 275,152.25 and 118,818.45 is: 163,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392.72 : 275,152.25 = 118,818.45 : x
  2. Step 2: Convert to fraction form
    199,392.72/275,152.25 = 118,818.45/x
  3. Step 3: Cross multiply
    199,392.72x = 275,152.25 × 118,818.45
  4. Step 4: Simplify right side
    199,392.72x = 32,693,163,264.92
  5. Step 5: Solve for x
    x = 32,693,163,264.92/199,392.72
  6. Step 6: Final answer
    x = 163,963.68

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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.