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Finding the Fourth Proportional to 172,669.68, 259,030.08 and 54,301.68

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Solution

The fourth proportional to 172,669.68, 259,030.08 and 54,301.68 is: 81,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,669.68 : 259,030.08 = 54,301.68 : x
  2. Step 2: Convert to fraction form
    172,669.68/259,030.08 = 54,301.68/x
  3. Step 3: Cross multiply
    172,669.68x = 259,030.08 × 54,301.68
  4. Step 4: Simplify right side
    172,669.68x = 14,065,768,514.53
  5. Step 5: Solve for x
    x = 14,065,768,514.53/172,669.68
  6. Step 6: Final answer
    x = 81,460.56

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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.