Home / 105,660.09-158,541.45-46,488.12

Finding the Fourth Proportional to 105,660.09, 158,541.45 and 46,488.12

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Solution

The fourth proportional to 105,660.09, 158,541.45 and 46,488.12 is: 69,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,660.09 : 158,541.45 = 46,488.12 : x
  2. Step 2: Convert to fraction form
    105,660.09/158,541.45 = 46,488.12/x
  3. Step 3: Cross multiply
    105,660.09x = 158,541.45 × 46,488.12
  4. Step 4: Simplify right side
    105,660.09x = 7,370,293,952.57
  5. Step 5: Solve for x
    x = 7,370,293,952.57/105,660.09
  6. Step 6: Final answer
    x = 69,754.76

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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.