Home / 108,265.61-149,405.72-59,869.67

Finding the Fourth Proportional to 108,265.61, 149,405.72 and 59,869.67

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Solution

The fourth proportional to 108,265.61, 149,405.72 and 59,869.67 is: 82,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,265.61 : 149,405.72 = 59,869.67 : x
  2. Step 2: Convert to fraction form
    108,265.61/149,405.72 = 59,869.67/x
  3. Step 3: Cross multiply
    108,265.61x = 149,405.72 × 59,869.67
  4. Step 4: Simplify right side
    108,265.61x = 8,944,870,106.14
  5. Step 5: Solve for x
    x = 8,944,870,106.14/108,265.61
  6. Step 6: Final answer
    x = 82,619.68

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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.