Home / 147,306.21-203,277.43-90,041.74

Finding the Fourth Proportional to 147,306.21, 203,277.43 and 90,041.74

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Solution

The fourth proportional to 147,306.21, 203,277.43 and 90,041.74 is: 124,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,306.21 : 203,277.43 = 90,041.74 : x
  2. Step 2: Convert to fraction form
    147,306.21/203,277.43 = 90,041.74/x
  3. Step 3: Cross multiply
    147,306.21x = 203,277.43 × 90,041.74
  4. Step 4: Simplify right side
    147,306.21x = 18,303,453,104.29
  5. Step 5: Solve for x
    x = 18,303,453,104.29/147,306.21
  6. Step 6: Final answer
    x = 124,254.46

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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.