Home / 150,813.36-208,124.10-82,820.34

Finding the Fourth Proportional to 150,813.36, 208,124.10 and 82,820.34

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Solution

The fourth proportional to 150,813.36, 208,124.10 and 82,820.34 is: 114,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,813.36 : 208,124.10 = 82,820.34 : x
  2. Step 2: Convert to fraction form
    150,813.36/208,124.10 = 82,820.34/x
  3. Step 3: Cross multiply
    150,813.36x = 208,124.10 × 82,820.34
  4. Step 4: Simplify right side
    150,813.36x = 17,236,908,724.19
  5. Step 5: Solve for x
    x = 17,236,908,724.19/150,813.36
  6. Step 6: Final answer
    x = 114,292.98

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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.