Home / 147,352.64-203,340.12-83,689.52

Finding the Fourth Proportional to 147,352.64, 203,340.12 and 83,689.52

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Solution

The fourth proportional to 147,352.64, 203,340.12 and 83,689.52 is: 115,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,352.64 : 203,340.12 = 83,689.52 : x
  2. Step 2: Convert to fraction form
    147,352.64/203,340.12 = 83,689.52/x
  3. Step 3: Cross multiply
    147,352.64x = 203,340.12 × 83,689.52
  4. Step 4: Simplify right side
    147,352.64x = 17,017,437,039.54
  5. Step 5: Solve for x
    x = 17,017,437,039.54/147,352.64
  6. Step 6: Final answer
    x = 115,487.83

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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.