Home / 147,000.87-219,210.72-145,734.03

Finding the Fourth Proportional to 147,000.87, 219,210.72 and 145,734.03

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Solution

The fourth proportional to 147,000.87, 219,210.72 and 145,734.03 is: 217,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000.87 : 219,210.72 = 145,734.03 : x
  2. Step 2: Convert to fraction form
    147,000.87/219,210.72 = 145,734.03/x
  3. Step 3: Cross multiply
    147,000.87x = 219,210.72 × 145,734.03
  4. Step 4: Simplify right side
    147,000.87x = 31,946,461,644.80
  5. Step 5: Solve for x
    x = 31,946,461,644.80/147,000.87
  6. Step 6: Final answer
    x = 217,321.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.