Home / 180,063.28-248,465.72-99,485.84

Finding the Fourth Proportional to 180,063.28, 248,465.72 and 99,485.84

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Solution

The fourth proportional to 180,063.28, 248,465.72 and 99,485.84 is: 137,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,063.28 : 248,465.72 = 99,485.84 : x
  2. Step 2: Convert to fraction form
    180,063.28/248,465.72 = 99,485.84/x
  3. Step 3: Cross multiply
    180,063.28x = 248,465.72 × 99,485.84
  4. Step 4: Simplify right side
    180,063.28x = 24,718,820,865.40
  5. Step 5: Solve for x
    x = 24,718,820,865.40/180,063.28
  6. Step 6: Final answer
    x = 137,278.52

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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.