Home / 103,337.10-154,969.20-36,779.40

Finding the Fourth Proportional to 103,337.10, 154,969.20 and 36,779.40

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Solution

The fourth proportional to 103,337.10, 154,969.20 and 36,779.40 is: 55,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,337.10 : 154,969.20 = 36,779.40 : x
  2. Step 2: Convert to fraction form
    103,337.10/154,969.20 = 36,779.40/x
  3. Step 3: Cross multiply
    103,337.10x = 154,969.20 × 36,779.40
  4. Step 4: Simplify right side
    103,337.10x = 5,699,674,194.48
  5. Step 5: Solve for x
    x = 5,699,674,194.48/103,337.10
  6. Step 6: Final answer
    x = 55,156.13

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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.