Home / 108,985.07-163,526.11-55,648.87

Finding the Fourth Proportional to 108,985.07, 163,526.11 and 55,648.87

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Solution

The fourth proportional to 108,985.07, 163,526.11 and 55,648.87 is: 83,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,985.07 : 163,526.11 = 55,648.87 : x
  2. Step 2: Convert to fraction form
    108,985.07/163,526.11 = 55,648.87/x
  3. Step 3: Cross multiply
    108,985.07x = 163,526.11 × 55,648.87
  4. Step 4: Simplify right side
    108,985.07x = 9,100,042,689.06
  5. Step 5: Solve for x
    x = 9,100,042,689.06/108,985.07
  6. Step 6: Final answer
    x = 83,498.07

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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.