Home / 108,938.76-163,325.25-56,314.68

Finding the Fourth Proportional to 108,938.76, 163,325.25 and 56,314.68

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Solution

The fourth proportional to 108,938.76, 163,325.25 and 56,314.68 is: 84,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.76 : 163,325.25 = 56,314.68 : x
  2. Step 2: Convert to fraction form
    108,938.76/163,325.25 = 56,314.68/x
  3. Step 3: Cross multiply
    108,938.76x = 163,325.25 × 56,314.68
  4. Step 4: Simplify right side
    108,938.76x = 9,197,609,189.67
  5. Step 5: Solve for x
    x = 9,197,609,189.67/108,938.76
  6. Step 6: Final answer
    x = 84,429.17

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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.