Home / 137,760.56-190,060.68-90,041.46

Finding the Fourth Proportional to 137,760.56, 190,060.68 and 90,041.46

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Solution

The fourth proportional to 137,760.56, 190,060.68 and 90,041.46 is: 124,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760.56 : 190,060.68 = 90,041.46 : x
  2. Step 2: Convert to fraction form
    137,760.56/190,060.68 = 90,041.46/x
  3. Step 3: Cross multiply
    137,760.56x = 190,060.68 × 90,041.46
  4. Step 4: Simplify right side
    137,760.56x = 17,113,341,115.79
  5. Step 5: Solve for x
    x = 17,113,341,115.79/137,760.56
  6. Step 6: Final answer
    x = 124,225.26

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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.