Home / 106,143.58-159,210.16-39,578.50

Finding the Fourth Proportional to 106,143.58, 159,210.16 and 39,578.50

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Solution

The fourth proportional to 106,143.58, 159,210.16 and 39,578.50 is: 59,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,143.58 : 159,210.16 = 39,578.50 : x
  2. Step 2: Convert to fraction form
    106,143.58/159,210.16 = 39,578.50/x
  3. Step 3: Cross multiply
    106,143.58x = 159,210.16 × 39,578.50
  4. Step 4: Simplify right side
    106,143.58x = 6,301,299,417.63
  5. Step 5: Solve for x
    x = 6,301,299,417.63/106,143.58
  6. Step 6: Final answer
    x = 59,365.81

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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.