Home / 135,747.60-187,428.76-90,532.24

Finding the Fourth Proportional to 135,747.60, 187,428.76 and 90,532.24

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Solution

The fourth proportional to 135,747.60, 187,428.76 and 90,532.24 is: 124,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.60 : 187,428.76 = 90,532.24 : x
  2. Step 2: Convert to fraction form
    135,747.60/187,428.76 = 90,532.24/x
  3. Step 3: Cross multiply
    135,747.60x = 187,428.76 × 90,532.24
  4. Step 4: Simplify right side
    135,747.60x = 16,968,345,483.22
  5. Step 5: Solve for x
    x = 16,968,345,483.22/135,747.60
  6. Step 6: Final answer
    x = 124,999.23

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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.