Home / 130,858.02-180,569.72-73,485.72

Finding the Fourth Proportional to 130,858.02, 180,569.72 and 73,485.72

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Solution

The fourth proportional to 130,858.02, 180,569.72 and 73,485.72 is: 101,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,858.02 : 180,569.72 = 73,485.72 : x
  2. Step 2: Convert to fraction form
    130,858.02/180,569.72 = 73,485.72/x
  3. Step 3: Cross multiply
    130,858.02x = 180,569.72 × 73,485.72
  4. Step 4: Simplify right side
    130,858.02x = 13,269,295,516.97
  5. Step 5: Solve for x
    x = 13,269,295,516.97/130,858.02
  6. Step 6: Final answer
    x = 101,402.23

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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.