Home / 118,293.02-163,302.90-72,995.95

Finding the Fourth Proportional to 118,293.02, 163,302.90 and 72,995.95

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Solution

The fourth proportional to 118,293.02, 163,302.90 and 72,995.95 is: 100,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,293.02 : 163,302.90 = 72,995.95 : x
  2. Step 2: Convert to fraction form
    118,293.02/163,302.90 = 72,995.95/x
  3. Step 3: Cross multiply
    118,293.02x = 163,302.90 × 72,995.95
  4. Step 4: Simplify right side
    118,293.02x = 11,920,449,506.74
  5. Step 5: Solve for x
    x = 11,920,449,506.74/118,293.02
  6. Step 6: Final answer
    x = 100,770.53

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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.