Home / 142,210.65-213,292.62-47,441.56

Finding the Fourth Proportional to 142,210.65, 213,292.62 and 47,441.56

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Solution

The fourth proportional to 142,210.65, 213,292.62 and 47,441.56 is: 71,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.65 : 213,292.62 = 47,441.56 : x
  2. Step 2: Convert to fraction form
    142,210.65/213,292.62 = 47,441.56/x
  3. Step 3: Cross multiply
    142,210.65x = 213,292.62 × 47,441.56
  4. Step 4: Simplify right side
    142,210.65x = 10,118,934,629.29
  5. Step 5: Solve for x
    x = 10,118,934,629.29/142,210.65
  6. Step 6: Final answer
    x = 71,154.55

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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.