Home / 147,342.63-221,012.31-88,194.81

Finding the Fourth Proportional to 147,342.63, 221,012.31 and 88,194.81

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Solution

The fourth proportional to 147,342.63, 221,012.31 and 88,194.81 is: 132,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.63 : 221,012.31 = 88,194.81 : x
  2. Step 2: Convert to fraction form
    147,342.63/221,012.31 = 88,194.81/x
  3. Step 3: Cross multiply
    147,342.63x = 221,012.31 × 88,194.81
  4. Step 4: Simplify right side
    147,342.63x = 19,492,138,688.11
  5. Step 5: Solve for x
    x = 19,492,138,688.11/147,342.63
  6. Step 6: Final answer
    x = 132,291.24

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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.