Home / 144,135.90-216,015.72-104,289.10

Finding the Fourth Proportional to 144,135.90, 216,015.72 and 104,289.10

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Solution

The fourth proportional to 144,135.90, 216,015.72 and 104,289.10 is: 156,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,135.90 : 216,015.72 = 104,289.10 : x
  2. Step 2: Convert to fraction form
    144,135.90/216,015.72 = 104,289.10/x
  3. Step 3: Cross multiply
    144,135.90x = 216,015.72 × 104,289.10
  4. Step 4: Simplify right side
    144,135.90x = 22,528,085,024.65
  5. Step 5: Solve for x
    x = 22,528,085,024.65/144,135.90
  6. Step 6: Final answer
    x = 156,297.53

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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.