Home / 134,769.80-202,154.70-92,779.40

Finding the Fourth Proportional to 134,769.80, 202,154.70 and 92,779.40

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Solution

The fourth proportional to 134,769.80, 202,154.70 and 92,779.40 is: 139,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.80 : 202,154.70 = 92,779.40 : x
  2. Step 2: Convert to fraction form
    134,769.80/202,154.70 = 92,779.40/x
  3. Step 3: Cross multiply
    134,769.80x = 202,154.70 × 92,779.40
  4. Step 4: Simplify right side
    134,769.80x = 18,755,791,773.18
  5. Step 5: Solve for x
    x = 18,755,791,773.18/134,769.80
  6. Step 6: Final answer
    x = 139,169.10

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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.