Home / 90,492.02-124,873.35-54,660.86

Finding the Fourth Proportional to 90,492.02, 124,873.35 and 54,660.86

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Solution

The fourth proportional to 90,492.02, 124,873.35 and 54,660.86 is: 75,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,492.02 : 124,873.35 = 54,660.86 : x
  2. Step 2: Convert to fraction form
    90,492.02/124,873.35 = 54,660.86/x
  3. Step 3: Cross multiply
    90,492.02x = 124,873.35 × 54,660.86
  4. Step 4: Simplify right side
    90,492.02x = 6,825,684,702.08
  5. Step 5: Solve for x
    x = 6,825,684,702.08/90,492.02
  6. Step 6: Final answer
    x = 75,428.58

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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.