Home / 94,307.20-130,137.60-54,021.12

Finding the Fourth Proportional to 94,307.20, 130,137.60 and 54,021.12

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Solution

The fourth proportional to 94,307.20, 130,137.60 and 54,021.12 is: 74,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,307.20 : 130,137.60 = 54,021.12 : x
  2. Step 2: Convert to fraction form
    94,307.20/130,137.60 = 54,021.12/x
  3. Step 3: Cross multiply
    94,307.20x = 130,137.60 × 54,021.12
  4. Step 4: Simplify right side
    94,307.20x = 7,030,178,906.11
  5. Step 5: Solve for x
    x = 7,030,178,906.11/94,307.20
  6. Step 6: Final answer
    x = 74,545.52

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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.