Home / 118,314.82-163,447.18-102,371.60

Finding the Fourth Proportional to 118,314.82, 163,447.18 and 102,371.60

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Solution

The fourth proportional to 118,314.82, 163,447.18 and 102,371.60 is: 141,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,314.82 : 163,447.18 = 102,371.60 : x
  2. Step 2: Convert to fraction form
    118,314.82/163,447.18 = 102,371.60/x
  3. Step 3: Cross multiply
    118,314.82x = 163,447.18 × 102,371.60
  4. Step 4: Simplify right side
    118,314.82x = 16,732,349,332.09
  5. Step 5: Solve for x
    x = 16,732,349,332.09/118,314.82
  6. Step 6: Final answer
    x = 141,422.26

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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.