Home / 110,246.10-165,369.15-70,880.10

Finding the Fourth Proportional to 110,246.10, 165,369.15 and 70,880.10

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Solution

The fourth proportional to 110,246.10, 165,369.15 and 70,880.10 is: 106,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,246.10 : 165,369.15 = 70,880.10 : x
  2. Step 2: Convert to fraction form
    110,246.10/165,369.15 = 70,880.10/x
  3. Step 3: Cross multiply
    110,246.10x = 165,369.15 × 70,880.10
  4. Step 4: Simplify right side
    110,246.10x = 11,721,381,888.92
  5. Step 5: Solve for x
    x = 11,721,381,888.92/110,246.10
  6. Step 6: Final answer
    x = 106,320.15

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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.