Home / 147,395.39-221,038.69-52,600.22

Finding the Fourth Proportional to 147,395.39, 221,038.69 and 52,600.22

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Solution

The fourth proportional to 147,395.39, 221,038.69 and 52,600.22 is: 78,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.39 : 221,038.69 = 52,600.22 : x
  2. Step 2: Convert to fraction form
    147,395.39/221,038.69 = 52,600.22/x
  3. Step 3: Cross multiply
    147,395.39x = 221,038.69 × 52,600.22
  4. Step 4: Simplify right side
    147,395.39x = 11,626,682,485.82
  5. Step 5: Solve for x
    x = 11,626,682,485.82/147,395.39
  6. Step 6: Final answer
    x = 78,880.91

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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.