Home / 108,300.98-162,316.17-52,130.66

Finding the Fourth Proportional to 108,300.98, 162,316.17 and 52,130.66

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Solution

The fourth proportional to 108,300.98, 162,316.17 and 52,130.66 is: 78,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,300.98 : 162,316.17 = 52,130.66 : x
  2. Step 2: Convert to fraction form
    108,300.98/162,316.17 = 52,130.66/x
  3. Step 3: Cross multiply
    108,300.98x = 162,316.17 × 52,130.66
  4. Step 4: Simplify right side
    108,300.98x = 8,461,648,259.19
  5. Step 5: Solve for x
    x = 8,461,648,259.19/108,300.98
  6. Step 6: Final answer
    x = 78,130.85

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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.