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Finding the Fourth Proportional to 161,291.96, 241,943.38 and 56,111.80

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Solution

The fourth proportional to 161,291.96, 241,943.38 and 56,111.80 is: 84,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,291.96 : 241,943.38 = 56,111.80 : x
  2. Step 2: Convert to fraction form
    161,291.96/241,943.38 = 56,111.80/x
  3. Step 3: Cross multiply
    161,291.96x = 241,943.38 × 56,111.80
  4. Step 4: Simplify right side
    161,291.96x = 13,575,878,549.88
  5. Step 5: Solve for x
    x = 13,575,878,549.88/161,291.96
  6. Step 6: Final answer
    x = 84,169.59

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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.