Home / 127,226.16-190,763.64-48,346.20

Finding the Fourth Proportional to 127,226.16, 190,763.64 and 48,346.20

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Solution

The fourth proportional to 127,226.16, 190,763.64 and 48,346.20 is: 72,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.16 : 190,763.64 = 48,346.20 : x
  2. Step 2: Convert to fraction form
    127,226.16/190,763.64 = 48,346.20/x
  3. Step 3: Cross multiply
    127,226.16x = 190,763.64 × 48,346.20
  4. Step 4: Simplify right side
    127,226.16x = 9,222,697,092.17
  5. Step 5: Solve for x
    x = 9,222,697,092.17/127,226.16
  6. Step 6: Final answer
    x = 72,490.57

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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.