Home / 130,718.29-180,394.83-73,361.13

Finding the Fourth Proportional to 130,718.29, 180,394.83 and 73,361.13

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Solution

The fourth proportional to 130,718.29, 180,394.83 and 73,361.13 is: 101,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,718.29 : 180,394.83 = 73,361.13 : x
  2. Step 2: Convert to fraction form
    130,718.29/180,394.83 = 73,361.13/x
  3. Step 3: Cross multiply
    130,718.29x = 180,394.83 × 73,361.13
  4. Step 4: Simplify right side
    130,718.29x = 13,233,968,574.96
  5. Step 5: Solve for x
    x = 13,233,968,574.96/130,718.29
  6. Step 6: Final answer
    x = 101,240.37

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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.