Home / 130,359.64-179,896.29-70,743.64

Finding the Fourth Proportional to 130,359.64, 179,896.29 and 70,743.64

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Solution

The fourth proportional to 130,359.64, 179,896.29 and 70,743.64 is: 97,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359.64 : 179,896.29 = 70,743.64 : x
  2. Step 2: Convert to fraction form
    130,359.64/179,896.29 = 70,743.64/x
  3. Step 3: Cross multiply
    130,359.64x = 179,896.29 × 70,743.64
  4. Step 4: Simplify right side
    130,359.64x = 12,726,518,377.10
  5. Step 5: Solve for x
    x = 12,726,518,377.10/130,359.64
  6. Step 6: Final answer
    x = 97,626.22

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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.