Home / 90,194.85-124,507.23-56,220.27

Finding the Fourth Proportional to 90,194.85, 124,507.23 and 56,220.27

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Solution

The fourth proportional to 90,194.85, 124,507.23 and 56,220.27 is: 77,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.85 : 124,507.23 = 56,220.27 : x
  2. Step 2: Convert to fraction form
    90,194.85/124,507.23 = 56,220.27/x
  3. Step 3: Cross multiply
    90,194.85x = 124,507.23 × 56,220.27
  4. Step 4: Simplify right side
    90,194.85x = 6,999,830,087.55
  5. Step 5: Solve for x
    x = 6,999,830,087.55/90,194.85
  6. Step 6: Final answer
    x = 77,607.87

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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.