Home / 177,643.36-245,150.58-106,065.28

Finding the Fourth Proportional to 177,643.36, 245,150.58 and 106,065.28

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Solution

The fourth proportional to 177,643.36, 245,150.58 and 106,065.28 is: 146,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643.36 : 245,150.58 = 106,065.28 : x
  2. Step 2: Convert to fraction form
    177,643.36/245,150.58 = 106,065.28/x
  3. Step 3: Cross multiply
    177,643.36x = 245,150.58 × 106,065.28
  4. Step 4: Simplify right side
    177,643.36x = 26,001,964,909.86
  5. Step 5: Solve for x
    x = 26,001,964,909.86/177,643.36
  6. Step 6: Final answer
    x = 146,371.72

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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.