Home / 130,216.06-195,343.60-47,129.50

Finding the Fourth Proportional to 130,216.06, 195,343.60 and 47,129.50

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Solution

The fourth proportional to 130,216.06, 195,343.60 and 47,129.50 is: 70,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216.06 : 195,343.60 = 47,129.50 : x
  2. Step 2: Convert to fraction form
    130,216.06/195,343.60 = 47,129.50/x
  3. Step 3: Cross multiply
    130,216.06x = 195,343.60 × 47,129.50
  4. Step 4: Simplify right side
    130,216.06x = 9,206,446,448.91
  5. Step 5: Solve for x
    x = 9,206,446,448.91/130,216.06
  6. Step 6: Final answer
    x = 70,701.31

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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.