Home / 85,159.82-117,514.93-51,148.10

Finding the Fourth Proportional to 85,159.82, 117,514.93 and 51,148.10

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Solution

The fourth proportional to 85,159.82, 117,514.93 and 51,148.10 is: 70,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.82 : 117,514.93 = 51,148.10 : x
  2. Step 2: Convert to fraction form
    85,159.82/117,514.93 = 51,148.10/x
  3. Step 3: Cross multiply
    85,159.82x = 117,514.93 × 51,148.10
  4. Step 4: Simplify right side
    85,159.82x = 6,010,665,391.13
  5. Step 5: Solve for x
    x = 6,010,665,391.13/85,159.82
  6. Step 6: Final answer
    x = 70,581.00

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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.