Home / 157,042.20-216,745.74-93,415.80

Finding the Fourth Proportional to 157,042.20, 216,745.74 and 93,415.80

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Solution

The fourth proportional to 157,042.20, 216,745.74 and 93,415.80 is: 128,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,042.20 : 216,745.74 = 93,415.80 : x
  2. Step 2: Convert to fraction form
    157,042.20/216,745.74 = 93,415.80/x
  3. Step 3: Cross multiply
    157,042.20x = 216,745.74 × 93,415.80
  4. Step 4: Simplify right side
    157,042.20x = 20,247,476,698.69
  5. Step 5: Solve for x
    x = 20,247,476,698.69/157,042.20
  6. Step 6: Final answer
    x = 128,930.16

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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.