Home / 259,515.21-358,141.40-144,803.87

Finding the Fourth Proportional to 259,515.21, 358,141.40 and 144,803.87

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Solution

The fourth proportional to 259,515.21, 358,141.40 and 144,803.87 is: 199,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,515.21 : 358,141.40 = 144,803.87 : x
  2. Step 2: Convert to fraction form
    259,515.21/358,141.40 = 144,803.87/x
  3. Step 3: Cross multiply
    259,515.21x = 358,141.40 × 144,803.87
  4. Step 4: Simplify right side
    259,515.21x = 51,860,260,727.22
  5. Step 5: Solve for x
    x = 51,860,260,727.22/259,515.21
  6. Step 6: Final answer
    x = 199,835.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.