Home / 152,638.76-228,969.16-40,317.51

Finding the Fourth Proportional to 152,638.76, 228,969.16 and 40,317.51

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Solution

The fourth proportional to 152,638.76, 228,969.16 and 40,317.51 is: 60,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,638.76 : 228,969.16 = 40,317.51 : x
  2. Step 2: Convert to fraction form
    152,638.76/228,969.16 = 40,317.51/x
  3. Step 3: Cross multiply
    152,638.76x = 228,969.16 × 40,317.51
  4. Step 4: Simplify right side
    152,638.76x = 9,231,466,297.20
  5. Step 5: Solve for x
    x = 9,231,466,297.20/152,638.76
  6. Step 6: Final answer
    x = 60,479.18

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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.