Home / 259,212.10-388,759.80-93,000.10

Finding the Fourth Proportional to 259,212.10, 388,759.80 and 93,000.10

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Solution

The fourth proportional to 259,212.10, 388,759.80 and 93,000.10 is: 139,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,212.10 : 388,759.80 = 93,000.10 : x
  2. Step 2: Convert to fraction form
    259,212.10/388,759.80 = 93,000.10/x
  3. Step 3: Cross multiply
    259,212.10x = 388,759.80 × 93,000.10
  4. Step 4: Simplify right side
    259,212.10x = 36,154,700,275.98
  5. Step 5: Solve for x
    x = 36,154,700,275.98/259,212.10
  6. Step 6: Final answer
    x = 139,479.22

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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.