Home / 94,380.78-130,271.02-55,652.38

Finding the Fourth Proportional to 94,380.78, 130,271.02 and 55,652.38

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Solution

The fourth proportional to 94,380.78, 130,271.02 and 55,652.38 is: 76,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,380.78 : 130,271.02 = 55,652.38 : x
  2. Step 2: Convert to fraction form
    94,380.78/130,271.02 = 55,652.38/x
  3. Step 3: Cross multiply
    94,380.78x = 130,271.02 × 55,652.38
  4. Step 4: Simplify right side
    94,380.78x = 7,249,892,308.03
  5. Step 5: Solve for x
    x = 7,249,892,308.03/94,380.78
  6. Step 6: Final answer
    x = 76,815.35

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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.