Home / 105,928.93-158,816.40-49,740.13

Finding the Fourth Proportional to 105,928.93, 158,816.40 and 49,740.13

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Solution

The fourth proportional to 105,928.93, 158,816.40 and 49,740.13 is: 74,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,928.93 : 158,816.40 = 49,740.13 : x
  2. Step 2: Convert to fraction form
    105,928.93/158,816.40 = 49,740.13/x
  3. Step 3: Cross multiply
    105,928.93x = 158,816.40 × 49,740.13
  4. Step 4: Simplify right side
    105,928.93x = 7,899,548,382.13
  5. Step 5: Solve for x
    x = 7,899,548,382.13/105,928.93
  6. Step 6: Final answer
    x = 74,574.04

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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.