Home / 105,370.10-158,138.18-46,246.58

Finding the Fourth Proportional to 105,370.10, 158,138.18 and 46,246.58

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Solution

The fourth proportional to 105,370.10, 158,138.18 and 46,246.58 is: 69,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,370.10 : 158,138.18 = 46,246.58 : x
  2. Step 2: Convert to fraction form
    105,370.10/158,138.18 = 46,246.58/x
  3. Step 3: Cross multiply
    105,370.10x = 158,138.18 × 46,246.58
  4. Step 4: Simplify right side
    105,370.10x = 7,313,348,970.50
  5. Step 5: Solve for x
    x = 7,313,348,970.50/105,370.10
  6. Step 6: Final answer
    x = 69,406.31

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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.