Home / 147,788.55-203,948.46-84,126.42

Finding the Fourth Proportional to 147,788.55, 203,948.46 and 84,126.42

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Solution

The fourth proportional to 147,788.55, 203,948.46 and 84,126.42 is: 116,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,788.55 : 203,948.46 = 84,126.42 : x
  2. Step 2: Convert to fraction form
    147,788.55/203,948.46 = 84,126.42/x
  3. Step 3: Cross multiply
    147,788.55x = 203,948.46 × 84,126.42
  4. Step 4: Simplify right side
    147,788.55x = 17,157,453,804.31
  5. Step 5: Solve for x
    x = 17,157,453,804.31/147,788.55
  6. Step 6: Final answer
    x = 116,094.61

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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.