Home / 150,697.02-207,968.40-90,277.50

Finding the Fourth Proportional to 150,697.02, 207,968.40 and 90,277.50

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Solution

The fourth proportional to 150,697.02, 207,968.40 and 90,277.50 is: 124,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,697.02 : 207,968.40 = 90,277.50 : x
  2. Step 2: Convert to fraction form
    150,697.02/207,968.40 = 90,277.50/x
  3. Step 3: Cross multiply
    150,697.02x = 207,968.40 × 90,277.50
  4. Step 4: Simplify right side
    150,697.02x = 18,774,867,231
  5. Step 5: Solve for x
    x = 18,774,867,231/150,697.02
  6. Step 6: Final answer
    x = 124,586.85

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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.