Home / 90,432.84-124,803.54-50,150.28

Finding the Fourth Proportional to 90,432.84, 124,803.54 and 50,150.28

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Solution

The fourth proportional to 90,432.84, 124,803.54 and 50,150.28 is: 69,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.84 : 124,803.54 = 50,150.28 : x
  2. Step 2: Convert to fraction form
    90,432.84/124,803.54 = 50,150.28/x
  3. Step 3: Cross multiply
    90,432.84x = 124,803.54 × 50,150.28
  4. Step 4: Simplify right side
    90,432.84x = 6,258,932,475.99
  5. Step 5: Solve for x
    x = 6,258,932,475.99/90,432.84
  6. Step 6: Final answer
    x = 69,210.84

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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.