Home / 90,459.43-124,840.64-50,180.82

Finding the Fourth Proportional to 90,459.43, 124,840.64 and 50,180.82

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Solution

The fourth proportional to 90,459.43, 124,840.64 and 50,180.82 is: 69,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,459.43 : 124,840.64 = 50,180.82 : x
  2. Step 2: Convert to fraction form
    90,459.43/124,840.64 = 50,180.82/x
  3. Step 3: Cross multiply
    90,459.43x = 124,840.64 × 50,180.82
  4. Step 4: Simplify right side
    90,459.43x = 6,264,605,341.82
  5. Step 5: Solve for x
    x = 6,264,605,341.82/90,459.43
  6. Step 6: Final answer
    x = 69,253.20

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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.