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Finding the Fourth Proportional to 108,041.08, 149,099.07 and 59,642.89

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Solution

The fourth proportional to 108,041.08, 149,099.07 and 59,642.89 is: 82,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,041.08 : 149,099.07 = 59,642.89 : x
  2. Step 2: Convert to fraction form
    108,041.08/149,099.07 = 59,642.89/x
  3. Step 3: Cross multiply
    108,041.08x = 149,099.07 × 59,642.89
  4. Step 4: Simplify right side
    108,041.08x = 8,892,699,058.36
  5. Step 5: Solve for x
    x = 8,892,699,058.36/108,041.08
  6. Step 6: Final answer
    x = 82,308.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.