Home / 108,211.40-162,317.10-61,555.40

Finding the Fourth Proportional to 108,211.40, 162,317.10 and 61,555.40

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Solution

The fourth proportional to 108,211.40, 162,317.10 and 61,555.40 is: 92,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,211.40 : 162,317.10 = 61,555.40 : x
  2. Step 2: Convert to fraction form
    108,211.40/162,317.10 = 61,555.40/x
  3. Step 3: Cross multiply
    108,211.40x = 162,317.10 × 61,555.40
  4. Step 4: Simplify right side
    108,211.40x = 9,991,494,017.34
  5. Step 5: Solve for x
    x = 9,991,494,017.34/108,211.40
  6. Step 6: Final answer
    x = 92,333.10

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1.5x scale

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.