Home / 105,252.32-145,240.62-57,495.53

Finding the Fourth Proportional to 105,252.32, 145,240.62 and 57,495.53

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Solution

The fourth proportional to 105,252.32, 145,240.62 and 57,495.53 is: 79,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.32 : 145,240.62 = 57,495.53 : x
  2. Step 2: Convert to fraction form
    105,252.32/145,240.62 = 57,495.53/x
  3. Step 3: Cross multiply
    105,252.32x = 145,240.62 × 57,495.53
  4. Step 4: Simplify right side
    105,252.32x = 8,350,686,424.43
  5. Step 5: Solve for x
    x = 8,350,686,424.43/105,252.32
  6. Step 6: Final answer
    x = 79,339.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.