Home / 98,272.86-147,383.73-28,135.77

Finding the Fourth Proportional to 98,272.86, 147,383.73 and 28,135.77

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Solution

The fourth proportional to 98,272.86, 147,383.73 and 28,135.77 is: 42,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.86 : 147,383.73 = 28,135.77 : x
  2. Step 2: Convert to fraction form
    98,272.86/147,383.73 = 28,135.77/x
  3. Step 3: Cross multiply
    98,272.86x = 147,383.73 × 28,135.77
  4. Step 4: Simplify right side
    98,272.86x = 4,146,754,729.02
  5. Step 5: Solve for x
    x = 4,146,754,729.02/98,272.86
  6. Step 6: Final answer
    x = 42,196.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.