Home / 189,453.38-261,445.68-104,570.46

Finding the Fourth Proportional to 189,453.38, 261,445.68 and 104,570.46

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Solution

The fourth proportional to 189,453.38, 261,445.68 and 104,570.46 is: 144,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,453.38 : 261,445.68 = 104,570.46 : x
  2. Step 2: Convert to fraction form
    189,453.38/261,445.68 = 104,570.46/x
  3. Step 3: Cross multiply
    189,453.38x = 261,445.68 × 104,570.46
  4. Step 4: Simplify right side
    189,453.38x = 27,339,495,022.61
  5. Step 5: Solve for x
    x = 27,339,495,022.61/189,453.38
  6. Step 6: Final answer
    x = 144,307.25

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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.