Home / 147,541.68-203,607-83,879.46

Finding the Fourth Proportional to 147,541.68, 203,607 and 83,879.46

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Solution

The fourth proportional to 147,541.68, 203,607 and 83,879.46 is: 115,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541.68 : 203,607 = 83,879.46 : x
  2. Step 2: Convert to fraction form
    147,541.68/203,607 = 83,879.46/x
  3. Step 3: Cross multiply
    147,541.68x = 203,607 × 83,879.46
  4. Step 4: Simplify right side
    147,541.68x = 17,078,445,212.22
  5. Step 5: Solve for x
    x = 17,078,445,212.22/147,541.68
  6. Step 6: Final answer
    x = 115,753.36

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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.