Home / 150,856.20-208,174.81-90,460.17

Finding the Fourth Proportional to 150,856.20, 208,174.81 and 90,460.17

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Solution

The fourth proportional to 150,856.20, 208,174.81 and 90,460.17 is: 124,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,856.20 : 208,174.81 = 90,460.17 : x
  2. Step 2: Convert to fraction form
    150,856.20/208,174.81 = 90,460.17/x
  3. Step 3: Cross multiply
    150,856.20x = 208,174.81 × 90,460.17
  4. Step 4: Simplify right side
    150,856.20x = 18,831,528,702.32
  5. Step 5: Solve for x
    x = 18,831,528,702.32/150,856.20
  6. Step 6: Final answer
    x = 124,830.99

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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.