Home / 290,158.46-434,975.07-103,126.22

Finding the Fourth Proportional to 290,158.46, 434,975.07 and 103,126.22

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Solution

The fourth proportional to 290,158.46, 434,975.07 and 103,126.22 is: 154,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,158.46 : 434,975.07 = 103,126.22 : x
  2. Step 2: Convert to fraction form
    290,158.46/434,975.07 = 103,126.22/x
  3. Step 3: Cross multiply
    290,158.46x = 434,975.07 × 103,126.22
  4. Step 4: Simplify right side
    290,158.46x = 44,857,334,763.34
  5. Step 5: Solve for x
    x = 44,857,334,763.34/290,158.46
  6. Step 6: Final answer
    x = 154,595.99

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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.