Home / 148,030.50-204,282.09-80,962.50

Finding the Fourth Proportional to 148,030.50, 204,282.09 and 80,962.50

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Solution

The fourth proportional to 148,030.50, 204,282.09 and 80,962.50 is: 111,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,030.50 : 204,282.09 = 80,962.50 : x
  2. Step 2: Convert to fraction form
    148,030.50/204,282.09 = 80,962.50/x
  3. Step 3: Cross multiply
    148,030.50x = 204,282.09 × 80,962.50
  4. Step 4: Simplify right side
    148,030.50x = 16,539,188,711.63
  5. Step 5: Solve for x
    x = 16,539,188,711.63/148,030.50
  6. Step 6: Final answer
    x = 111,728.25

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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.