Home / 147,273.47-203,256.38-89,900.77

Finding the Fourth Proportional to 147,273.47, 203,256.38 and 89,900.77

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Solution

The fourth proportional to 147,273.47, 203,256.38 and 89,900.77 is: 124,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,273.47 : 203,256.38 = 89,900.77 : x
  2. Step 2: Convert to fraction form
    147,273.47/203,256.38 = 89,900.77/x
  3. Step 3: Cross multiply
    147,273.47x = 203,256.38 × 89,900.77
  4. Step 4: Simplify right side
    147,273.47x = 18,272,904,786.02
  5. Step 5: Solve for x
    x = 18,272,904,786.02/147,273.47
  6. Step 6: Final answer
    x = 124,074.65

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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.