Home / 118,009.23-177,014.02-90,087.83

Finding the Fourth Proportional to 118,009.23, 177,014.02 and 90,087.83

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Solution

The fourth proportional to 118,009.23, 177,014.02 and 90,087.83 is: 135,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,009.23 : 177,014.02 = 90,087.83 : x
  2. Step 2: Convert to fraction form
    118,009.23/177,014.02 = 90,087.83/x
  3. Step 3: Cross multiply
    118,009.23x = 177,014.02 × 90,087.83
  4. Step 4: Simplify right side
    118,009.23x = 15,946,808,056.31
  5. Step 5: Solve for x
    x = 15,946,808,056.31/118,009.23
  6. Step 6: Final answer
    x = 135,131.87

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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.