Home / 130,437.36-180,013.32-73,857.24

Finding the Fourth Proportional to 130,437.36, 180,013.32 and 73,857.24

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Solution

The fourth proportional to 130,437.36, 180,013.32 and 73,857.24 is: 101,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,437.36 : 180,013.32 = 73,857.24 : x
  2. Step 2: Convert to fraction form
    130,437.36/180,013.32 = 73,857.24/x
  3. Step 3: Cross multiply
    130,437.36x = 180,013.32 × 73,857.24
  4. Step 4: Simplify right side
    130,437.36x = 13,295,286,978.44
  5. Step 5: Solve for x
    x = 13,295,286,978.44/130,437.36
  6. Step 6: Final answer
    x = 101,928.52

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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.