Home / 90,451.02-124,807.46-50,158.38

Finding the Fourth Proportional to 90,451.02, 124,807.46 and 50,158.38

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Solution

The fourth proportional to 90,451.02, 124,807.46 and 50,158.38 is: 69,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.02 : 124,807.46 = 50,158.38 : x
  2. Step 2: Convert to fraction form
    90,451.02/124,807.46 = 50,158.38/x
  3. Step 3: Cross multiply
    90,451.02x = 124,807.46 × 50,158.38
  4. Step 4: Simplify right side
    90,451.02x = 6,260,139,754.72
  5. Step 5: Solve for x
    x = 6,260,139,754.72/90,451.02
  6. Step 6: Final answer
    x = 69,210.27

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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.