Home / 105,361.47-158,125.23-46,237.95

Finding the Fourth Proportional to 105,361.47, 158,125.23 and 46,237.95

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Solution

The fourth proportional to 105,361.47, 158,125.23 and 46,237.95 is: 69,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361.47 : 158,125.23 = 46,237.95 : x
  2. Step 2: Convert to fraction form
    105,361.47/158,125.23 = 46,237.95/x
  3. Step 3: Cross multiply
    105,361.47x = 158,125.23 × 46,237.95
  4. Step 4: Simplify right side
    105,361.47x = 7,311,386,478.48
  5. Step 5: Solve for x
    x = 7,311,386,478.48/105,361.47
  6. Step 6: Final answer
    x = 69,393.36

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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.