Home / 150,212.02-207,316.73-85,702.30

Finding the Fourth Proportional to 150,212.02, 207,316.73 and 85,702.30

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Solution

The fourth proportional to 150,212.02, 207,316.73 and 85,702.30 is: 118,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,212.02 : 207,316.73 = 85,702.30 : x
  2. Step 2: Convert to fraction form
    150,212.02/207,316.73 = 85,702.30/x
  3. Step 3: Cross multiply
    150,212.02x = 207,316.73 × 85,702.30
  4. Step 4: Simplify right side
    150,212.02x = 17,767,519,642.68
  5. Step 5: Solve for x
    x = 17,767,519,642.68/150,212.02
  6. Step 6: Final answer
    x = 118,282.94

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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.