Home / 106,732.48-147,214.56-81,538.24

Finding the Fourth Proportional to 106,732.48, 147,214.56 and 81,538.24

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Solution

The fourth proportional to 106,732.48, 147,214.56 and 81,538.24 is: 112,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,732.48 : 147,214.56 = 81,538.24 : x
  2. Step 2: Convert to fraction form
    106,732.48/147,214.56 = 81,538.24/x
  3. Step 3: Cross multiply
    106,732.48x = 147,214.56 × 81,538.24
  4. Step 4: Simplify right side
    106,732.48x = 12,003,616,124.77
  5. Step 5: Solve for x
    x = 12,003,616,124.77/106,732.48
  6. Step 6: Final answer
    x = 112,464.51

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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.