Home / 105,437.01-158,155.62-43,107.51

Finding the Fourth Proportional to 105,437.01, 158,155.62 and 43,107.51

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Solution

The fourth proportional to 105,437.01, 158,155.62 and 43,107.51 is: 64,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,437.01 : 158,155.62 = 43,107.51 : x
  2. Step 2: Convert to fraction form
    105,437.01/158,155.62 = 43,107.51/x
  3. Step 3: Cross multiply
    105,437.01x = 158,155.62 × 43,107.51
  4. Step 4: Simplify right side
    105,437.01x = 6,817,694,970.71
  5. Step 5: Solve for x
    x = 6,817,694,970.71/105,437.01
  6. Step 6: Final answer
    x = 64,661.31

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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.