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Finding the Fourth Proportional to 173,109.02, 259,637.51 and 54,764.99

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Solution

The fourth proportional to 173,109.02, 259,637.51 and 54,764.99 is: 82,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.02 : 259,637.51 = 54,764.99 : x
  2. Step 2: Convert to fraction form
    173,109.02/259,637.51 = 54,764.99/x
  3. Step 3: Cross multiply
    173,109.02x = 259,637.51 × 54,764.99
  4. Step 4: Simplify right side
    173,109.02x = 14,219,045,638.77
  5. Step 5: Solve for x
    x = 14,219,045,638.77/173,109.02
  6. Step 6: Final answer
    x = 82,139.25

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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.