Home / 170,325.45-255,518.19-70,429.67

Finding the Fourth Proportional to 170,325.45, 255,518.19 and 70,429.67

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Solution

The fourth proportional to 170,325.45, 255,518.19 and 70,429.67 is: 105,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,325.45 : 255,518.19 = 70,429.67 : x
  2. Step 2: Convert to fraction form
    170,325.45/255,518.19 = 70,429.67/x
  3. Step 3: Cross multiply
    170,325.45x = 255,518.19 × 70,429.67
  4. Step 4: Simplify right side
    170,325.45x = 17,996,061,800.70
  5. Step 5: Solve for x
    x = 17,996,061,800.70/170,325.45
  6. Step 6: Final answer
    x = 105,656.92

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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.