Home / 147,513.80-221,270.70-100,274.60

Finding the Fourth Proportional to 147,513.80, 221,270.70 and 100,274.60

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Solution

The fourth proportional to 147,513.80, 221,270.70 and 100,274.60 is: 150,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.80 : 221,270.70 = 100,274.60 : x
  2. Step 2: Convert to fraction form
    147,513.80/221,270.70 = 100,274.60/x
  3. Step 3: Cross multiply
    147,513.80x = 221,270.70 × 100,274.60
  4. Step 4: Simplify right side
    147,513.80x = 22,187,830,934.22
  5. Step 5: Solve for x
    x = 22,187,830,934.22/147,513.80
  6. Step 6: Final answer
    x = 150,411.90

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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.