Home / 145,989.06-219,009.71-100,588.15

Finding the Fourth Proportional to 145,989.06, 219,009.71 and 100,588.15

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Solution

The fourth proportional to 145,989.06, 219,009.71 and 100,588.15 is: 150,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,989.06 : 219,009.71 = 100,588.15 : x
  2. Step 2: Convert to fraction form
    145,989.06/219,009.71 = 100,588.15/x
  3. Step 3: Cross multiply
    145,989.06x = 219,009.71 × 100,588.15
  4. Step 4: Simplify right side
    145,989.06x = 22,029,781,560.94
  5. Step 5: Solve for x
    x = 22,029,781,560.94/145,989.06
  6. Step 6: Final answer
    x = 150,900.22

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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.