Home / 150,961.19-208,539.02-142,989.57

Finding the Fourth Proportional to 150,961.19, 208,539.02 and 142,989.57

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Solution

The fourth proportional to 150,961.19, 208,539.02 and 142,989.57 is: 197,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,961.19 : 208,539.02 = 142,989.57 : x
  2. Step 2: Convert to fraction form
    150,961.19/208,539.02 = 142,989.57/x
  3. Step 3: Cross multiply
    150,961.19x = 208,539.02 × 142,989.57
  4. Step 4: Simplify right side
    150,961.19x = 29,818,905,155.50
  5. Step 5: Solve for x
    x = 29,818,905,155.50/150,961.19
  6. Step 6: Final answer
    x = 197,526.97

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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.