Home / 104,166.09-156,256.50-51,561.45

Finding the Fourth Proportional to 104,166.09, 156,256.50 and 51,561.45

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Solution

The fourth proportional to 104,166.09, 156,256.50 and 51,561.45 is: 77,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.09 : 156,256.50 = 51,561.45 : x
  2. Step 2: Convert to fraction form
    104,166.09/156,256.50 = 51,561.45/x
  3. Step 3: Cross multiply
    104,166.09x = 156,256.50 × 51,561.45
  4. Step 4: Simplify right side
    104,166.09x = 8,056,811,711.93
  5. Step 5: Solve for x
    x = 8,056,811,711.93/104,166.09
  6. Step 6: Final answer
    x = 77,345.82

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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.