Home / 103,330.10-154,958.70-47,197.10

Finding the Fourth Proportional to 103,330.10, 154,958.70 and 47,197.10

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Solution

The fourth proportional to 103,330.10, 154,958.70 and 47,197.10 is: 70,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.10 : 154,958.70 = 47,197.10 : x
  2. Step 2: Convert to fraction form
    103,330.10/154,958.70 = 47,197.10/x
  3. Step 3: Cross multiply
    103,330.10x = 154,958.70 × 47,197.10
  4. Step 4: Simplify right side
    103,330.10x = 7,313,601,259.77
  5. Step 5: Solve for x
    x = 7,313,601,259.77/103,330.10
  6. Step 6: Final answer
    x = 70,779.00

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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.