Home / 76,359.02-113,918.52-72,225.60

Finding the Fourth Proportional to 76,359.02, 113,918.52 and 72,225.60

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Solution

The fourth proportional to 76,359.02, 113,918.52 and 72,225.60 is: 107,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.02 : 113,918.52 = 72,225.60 : x
  2. Step 2: Convert to fraction form
    76,359.02/113,918.52 = 72,225.60/x
  3. Step 3: Cross multiply
    76,359.02x = 113,918.52 × 72,225.60
  4. Step 4: Simplify right side
    76,359.02x = 8,227,833,458.11
  5. Step 5: Solve for x
    x = 8,227,833,458.11/76,359.02
  6. Step 6: Final answer
    x = 107,751.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.