Home / 110,307.61-165,428.34-47,125.18

Finding the Fourth Proportional to 110,307.61, 165,428.34 and 47,125.18

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Solution

The fourth proportional to 110,307.61, 165,428.34 and 47,125.18 is: 70,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.61 : 165,428.34 = 47,125.18 : x
  2. Step 2: Convert to fraction form
    110,307.61/165,428.34 = 47,125.18/x
  3. Step 3: Cross multiply
    110,307.61x = 165,428.34 × 47,125.18
  4. Step 4: Simplify right side
    110,307.61x = 7,795,840,299.60
  5. Step 5: Solve for x
    x = 7,795,840,299.60/110,307.61
  6. Step 6: Final answer
    x = 70,673.64

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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.