Home / 130,544.90-195,814.61-70,601.96

Finding the Fourth Proportional to 130,544.90, 195,814.61 and 70,601.96

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Solution

The fourth proportional to 130,544.90, 195,814.61 and 70,601.96 is: 105,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,544.90 : 195,814.61 = 70,601.96 : x
  2. Step 2: Convert to fraction form
    130,544.90/195,814.61 = 70,601.96/x
  3. Step 3: Cross multiply
    130,544.90x = 195,814.61 × 70,601.96
  4. Step 4: Simplify right side
    130,544.90x = 13,824,893,930.55
  5. Step 5: Solve for x
    x = 13,824,893,930.55/130,544.90
  6. Step 6: Final answer
    x = 105,901.45

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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.