Home / 147,810.76-221,658.62-47,946.80

Finding the Fourth Proportional to 147,810.76, 221,658.62 and 47,946.80

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Solution

The fourth proportional to 147,810.76, 221,658.62 and 47,946.80 is: 71,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,810.76 : 221,658.62 = 47,946.80 : x
  2. Step 2: Convert to fraction form
    147,810.76/221,658.62 = 47,946.80/x
  3. Step 3: Cross multiply
    147,810.76x = 221,658.62 × 47,946.80
  4. Step 4: Simplify right side
    147,810.76x = 10,627,821,281.68
  5. Step 5: Solve for x
    x = 10,627,821,281.68/147,810.76
  6. Step 6: Final answer
    x = 71,901.54

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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.