Home / 130,159.68-195,169.43-70,220.32

Finding the Fourth Proportional to 130,159.68, 195,169.43 and 70,220.32

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Solution

The fourth proportional to 130,159.68, 195,169.43 and 70,220.32 is: 105,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,159.68 : 195,169.43 = 70,220.32 : x
  2. Step 2: Convert to fraction form
    130,159.68/195,169.43 = 70,220.32/x
  3. Step 3: Cross multiply
    130,159.68x = 195,169.43 × 70,220.32
  4. Step 4: Simplify right side
    130,159.68x = 13,704,859,516.44
  5. Step 5: Solve for x
    x = 13,704,859,516.44/130,159.68
  6. Step 6: Final answer
    x = 105,292.67

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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.