Home / 130,995.06-180,763.47-74,395.50

Finding the Fourth Proportional to 130,995.06, 180,763.47 and 74,395.50

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Solution

The fourth proportional to 130,995.06, 180,763.47 and 74,395.50 is: 102,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,995.06 : 180,763.47 = 74,395.50 : x
  2. Step 2: Convert to fraction form
    130,995.06/180,763.47 = 74,395.50/x
  3. Step 3: Cross multiply
    130,995.06x = 180,763.47 × 74,395.50
  4. Step 4: Simplify right side
    130,995.06x = 13,447,988,732.39
  5. Step 5: Solve for x
    x = 13,447,988,732.39/130,995.06
  6. Step 6: Final answer
    x = 102,660.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.