Home / 147,746.15-203,897.33-90,367.47

Finding the Fourth Proportional to 147,746.15, 203,897.33 and 90,367.47

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Solution

The fourth proportional to 147,746.15, 203,897.33 and 90,367.47 is: 124,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,746.15 : 203,897.33 = 90,367.47 : x
  2. Step 2: Convert to fraction form
    147,746.15/203,897.33 = 90,367.47/x
  3. Step 3: Cross multiply
    147,746.15x = 203,897.33 × 90,367.47
  4. Step 4: Simplify right side
    147,746.15x = 18,425,685,851.86
  5. Step 5: Solve for x
    x = 18,425,685,851.86/147,746.15
  6. Step 6: Final answer
    x = 124,711.78

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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.