Home / 180,278.11-248,860.40-112,328.66

Finding the Fourth Proportional to 180,278.11, 248,860.40 and 112,328.66

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Solution

The fourth proportional to 180,278.11, 248,860.40 and 112,328.66 is: 155,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278.11 : 248,860.40 = 112,328.66 : x
  2. Step 2: Convert to fraction form
    180,278.11/248,860.40 = 112,328.66/x
  3. Step 3: Cross multiply
    180,278.11x = 248,860.40 × 112,328.66
  4. Step 4: Simplify right side
    180,278.11x = 27,954,155,259.06
  5. Step 5: Solve for x
    x = 27,954,155,259.06/180,278.11
  6. Step 6: Final answer
    x = 155,061.28

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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.