Home / 105,980.04-158,970.06-39,418.83

Finding the Fourth Proportional to 105,980.04, 158,970.06 and 39,418.83

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Solution

The fourth proportional to 105,980.04, 158,970.06 and 39,418.83 is: 59,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,980.04 : 158,970.06 = 39,418.83 : x
  2. Step 2: Convert to fraction form
    105,980.04/158,970.06 = 39,418.83/x
  3. Step 3: Cross multiply
    105,980.04x = 158,970.06 × 39,418.83
  4. Step 4: Simplify right side
    105,980.04x = 6,266,413,770.23
  5. Step 5: Solve for x
    x = 6,266,413,770.23/105,980.04
  6. Step 6: Final answer
    x = 59,128.25

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1.5x scale

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.