Home / 84,141.28-126,108.08-46,669.60

Finding the Fourth Proportional to 84,141.28, 126,108.08 and 46,669.60

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Solution

The fourth proportional to 84,141.28, 126,108.08 and 46,669.60 is: 69,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.28 : 126,108.08 = 46,669.60 : x
  2. Step 2: Convert to fraction form
    84,141.28/126,108.08 = 46,669.60/x
  3. Step 3: Cross multiply
    84,141.28x = 126,108.08 × 46,669.60
  4. Step 4: Simplify right side
    84,141.28x = 5,885,413,650.37
  5. Step 5: Solve for x
    x = 5,885,413,650.37/84,141.28
  6. Step 6: Final answer
    x = 69,946.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.