Home / 170,210.23-255,315.63-70,260.68

Finding the Fourth Proportional to 170,210.23, 255,315.63 and 70,260.68

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Solution

The fourth proportional to 170,210.23, 255,315.63 and 70,260.68 is: 105,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,210.23 : 255,315.63 = 70,260.68 : x
  2. Step 2: Convert to fraction form
    170,210.23/255,315.63 = 70,260.68/x
  3. Step 3: Cross multiply
    170,210.23x = 255,315.63 × 70,260.68
  4. Step 4: Simplify right side
    170,210.23x = 17,938,649,778.43
  5. Step 5: Solve for x
    x = 17,938,649,778.43/170,210.23
  6. Step 6: Final answer
    x = 105,391.14

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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.