Home / 147,501.40-221,208.90-68,596.60

Finding the Fourth Proportional to 147,501.40, 221,208.90 and 68,596.60

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Solution

The fourth proportional to 147,501.40, 221,208.90 and 68,596.60 is: 102,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.40 : 221,208.90 = 68,596.60 : x
  2. Step 2: Convert to fraction form
    147,501.40/221,208.90 = 68,596.60/x
  3. Step 3: Cross multiply
    147,501.40x = 221,208.90 × 68,596.60
  4. Step 4: Simplify right side
    147,501.40x = 15,174,178,429.74
  5. Step 5: Solve for x
    x = 15,174,178,429.74/147,501.40
  6. Step 6: Final answer
    x = 102,874.81

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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.