Home / 139,915.02-209,934.36-73,339.23

Finding the Fourth Proportional to 139,915.02, 209,934.36 and 73,339.23

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Solution

The fourth proportional to 139,915.02, 209,934.36 and 73,339.23 is: 110,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,915.02 : 209,934.36 = 73,339.23 : x
  2. Step 2: Convert to fraction form
    139,915.02/209,934.36 = 73,339.23/x
  3. Step 3: Cross multiply
    139,915.02x = 209,934.36 × 73,339.23
  4. Step 4: Simplify right side
    139,915.02x = 15,396,424,312.94
  5. Step 5: Solve for x
    x = 15,396,424,312.94/139,915.02
  6. Step 6: Final answer
    x = 110,041.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.