Home / 130,352.24-179,888.64-85,059.20

Finding the Fourth Proportional to 130,352.24, 179,888.64 and 85,059.20

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Solution

The fourth proportional to 130,352.24, 179,888.64 and 85,059.20 is: 117,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.24 : 179,888.64 = 85,059.20 : x
  2. Step 2: Convert to fraction form
    130,352.24/179,888.64 = 85,059.20/x
  3. Step 3: Cross multiply
    130,352.24x = 179,888.64 × 85,059.20
  4. Step 4: Simplify right side
    130,352.24x = 15,301,183,807.49
  5. Step 5: Solve for x
    x = 15,301,183,807.49/130,352.24
  6. Step 6: Final answer
    x = 117,383.36

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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.