Home / 150,825.84-208,127.52-87,167.76

Finding the Fourth Proportional to 150,825.84, 208,127.52 and 87,167.76

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Solution

The fourth proportional to 150,825.84, 208,127.52 and 87,167.76 is: 120,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.84 : 208,127.52 = 87,167.76 : x
  2. Step 2: Convert to fraction form
    150,825.84/208,127.52 = 87,167.76/x
  3. Step 3: Cross multiply
    150,825.84x = 208,127.52 × 87,167.76
  4. Step 4: Simplify right side
    150,825.84x = 18,142,009,712.76
  5. Step 5: Solve for x
    x = 18,142,009,712.76/150,825.84
  6. Step 6: Final answer
    x = 120,284.49

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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.