Home / 147,890.30-221,835.45-130,394.30

Finding the Fourth Proportional to 147,890.30, 221,835.45 and 130,394.30

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Solution

The fourth proportional to 147,890.30, 221,835.45 and 130,394.30 is: 195,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890.30 : 221,835.45 = 130,394.30 : x
  2. Step 2: Convert to fraction form
    147,890.30/221,835.45 = 130,394.30/x
  3. Step 3: Cross multiply
    147,890.30x = 221,835.45 × 130,394.30
  4. Step 4: Simplify right side
    147,890.30x = 28,926,078,217.94
  5. Step 5: Solve for x
    x = 28,926,078,217.94/147,890.30
  6. Step 6: Final answer
    x = 195,591.45

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1.5x scale

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.