Home / 118,265.74-163,133.82-84,285.22

Finding the Fourth Proportional to 118,265.74, 163,133.82 and 84,285.22

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Solution

The fourth proportional to 118,265.74, 163,133.82 and 84,285.22 is: 116,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,265.74 : 163,133.82 = 84,285.22 : x
  2. Step 2: Convert to fraction form
    118,265.74/163,133.82 = 84,285.22/x
  3. Step 3: Cross multiply
    118,265.74x = 163,133.82 × 84,285.22
  4. Step 4: Simplify right side
    118,265.74x = 13,749,769,908.14
  5. Step 5: Solve for x
    x = 13,749,769,908.14/118,265.74
  6. Step 6: Final answer
    x = 116,261.65

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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.