Home / 118,784.70-163,922.94-65,071.66

Finding the Fourth Proportional to 118,784.70, 163,922.94 and 65,071.66

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Solution

The fourth proportional to 118,784.70, 163,922.94 and 65,071.66 is: 89,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,784.70 : 163,922.94 = 65,071.66 : x
  2. Step 2: Convert to fraction form
    118,784.70/163,922.94 = 65,071.66/x
  3. Step 3: Cross multiply
    118,784.70x = 163,922.94 × 65,071.66
  4. Step 4: Simplify right side
    118,784.70x = 10,666,737,817.88
  5. Step 5: Solve for x
    x = 10,666,737,817.88/118,784.70
  6. Step 6: Final answer
    x = 89,798.92

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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.