Home / 115,637.32-159,580.74-67,891.24

Finding the Fourth Proportional to 115,637.32, 159,580.74 and 67,891.24

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Solution

The fourth proportional to 115,637.32, 159,580.74 and 67,891.24 is: 93,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,637.32 : 159,580.74 = 67,891.24 : x
  2. Step 2: Convert to fraction form
    115,637.32/159,580.74 = 67,891.24/x
  3. Step 3: Cross multiply
    115,637.32x = 159,580.74 × 67,891.24
  4. Step 4: Simplify right side
    115,637.32x = 10,834,134,318.72
  5. Step 5: Solve for x
    x = 10,834,134,318.72/115,637.32
  6. Step 6: Final answer
    x = 93,690.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.