Home / 142,257.86-213,384.66-42,418.47

Finding the Fourth Proportional to 142,257.86, 213,384.66 and 42,418.47

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Solution

The fourth proportional to 142,257.86, 213,384.66 and 42,418.47 is: 63,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,257.86 : 213,384.66 = 42,418.47 : x
  2. Step 2: Convert to fraction form
    142,257.86/213,384.66 = 42,418.47/x
  3. Step 3: Cross multiply
    142,257.86x = 213,384.66 × 42,418.47
  4. Step 4: Simplify right side
    142,257.86x = 9,051,450,798.67
  5. Step 5: Solve for x
    x = 9,051,450,798.67/142,257.86
  6. Step 6: Final answer
    x = 63,627.07

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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.