Home / 84,846.16-117,146.28-53,029.36

Finding the Fourth Proportional to 84,846.16, 117,146.28 and 53,029.36

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Solution

The fourth proportional to 84,846.16, 117,146.28 and 53,029.36 is: 73,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.16 : 117,146.28 = 53,029.36 : x
  2. Step 2: Convert to fraction form
    84,846.16/117,146.28 = 53,029.36/x
  3. Step 3: Cross multiply
    84,846.16x = 117,146.28 × 53,029.36
  4. Step 4: Simplify right side
    84,846.16x = 6,212,192,254.78
  5. Step 5: Solve for x
    x = 6,212,192,254.78/84,846.16
  6. Step 6: Final answer
    x = 73,217.13

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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.