Home / 92,977.20-128,341.44-55,251

Finding the Fourth Proportional to 92,977.20, 128,341.44 and 55,251

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Solution

The fourth proportional to 92,977.20, 128,341.44 and 55,251 is: 76,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.20 : 128,341.44 = 55,251 : x
  2. Step 2: Convert to fraction form
    92,977.20/128,341.44 = 55,251/x
  3. Step 3: Cross multiply
    92,977.20x = 128,341.44 × 55,251
  4. Step 4: Simplify right side
    92,977.20x = 7,090,992,901.44
  5. Step 5: Solve for x
    x = 7,090,992,901.44/92,977.20
  6. Step 6: Final answer
    x = 76,265.93

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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.