Home / 90,153.48-124,436.88-52,435.02

Finding the Fourth Proportional to 90,153.48, 124,436.88 and 52,435.02

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Solution

The fourth proportional to 90,153.48, 124,436.88 and 52,435.02 is: 72,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153.48 : 124,436.88 = 52,435.02 : x
  2. Step 2: Convert to fraction form
    90,153.48/124,436.88 = 52,435.02/x
  3. Step 3: Cross multiply
    90,153.48x = 124,436.88 × 52,435.02
  4. Step 4: Simplify right side
    90,153.48x = 6,524,850,291.54
  5. Step 5: Solve for x
    x = 6,524,850,291.54/90,153.48
  6. Step 6: Final answer
    x = 72,374.91

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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.