Home / 130,325.66-179,828.56-72,967.38

Finding the Fourth Proportional to 130,325.66, 179,828.56 and 72,967.38

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Solution

The fourth proportional to 130,325.66, 179,828.56 and 72,967.38 is: 100,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,325.66 : 179,828.56 = 72,967.38 : x
  2. Step 2: Convert to fraction form
    130,325.66/179,828.56 = 72,967.38/x
  3. Step 3: Cross multiply
    130,325.66x = 179,828.56 × 72,967.38
  4. Step 4: Simplify right side
    130,325.66x = 13,121,618,890.32
  5. Step 5: Solve for x
    x = 13,121,618,890.32/130,325.66
  6. Step 6: Final answer
    x = 100,683.31

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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.