Home / 147,388.99-203,339.06-90,701.95

Finding the Fourth Proportional to 147,388.99, 203,339.06 and 90,701.95

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Solution

The fourth proportional to 147,388.99, 203,339.06 and 90,701.95 is: 125,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.99 : 203,339.06 = 90,701.95 : x
  2. Step 2: Convert to fraction form
    147,388.99/203,339.06 = 90,701.95/x
  3. Step 3: Cross multiply
    147,388.99x = 203,339.06 × 90,701.95
  4. Step 4: Simplify right side
    147,388.99x = 18,443,249,253.17
  5. Step 5: Solve for x
    x = 18,443,249,253.17/147,388.99
  6. Step 6: Final answer
    x = 125,133.15

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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.