Home / 130,355.32-179,890.33-70,739.32

Finding the Fourth Proportional to 130,355.32, 179,890.33 and 70,739.32

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Solution

The fourth proportional to 130,355.32, 179,890.33 and 70,739.32 is: 97,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,355.32 : 179,890.33 = 70,739.32 : x
  2. Step 2: Convert to fraction form
    130,355.32/179,890.33 = 70,739.32/x
  3. Step 3: Cross multiply
    130,355.32x = 179,890.33 × 70,739.32
  4. Step 4: Simplify right side
    130,355.32x = 12,725,319,618.78
  5. Step 5: Solve for x
    x = 12,725,319,618.78/130,355.32
  6. Step 6: Final answer
    x = 97,620.26

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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.