Home / 85,159.14-117,513.95-51,147.42

Finding the Fourth Proportional to 85,159.14, 117,513.95 and 51,147.42

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Solution

The fourth proportional to 85,159.14, 117,513.95 and 51,147.42 is: 70,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.14 : 117,513.95 = 51,147.42 : x
  2. Step 2: Convert to fraction form
    85,159.14/117,513.95 = 51,147.42/x
  3. Step 3: Cross multiply
    85,159.14x = 117,513.95 × 51,147.42
  4. Step 4: Simplify right side
    85,159.14x = 6,010,535,100.77
  5. Step 5: Solve for x
    x = 6,010,535,100.77/85,159.14
  6. Step 6: Final answer
    x = 70,580.04

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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.