Home / 112,308.32-154,986.64-62,007.20

Finding the Fourth Proportional to 112,308.32, 154,986.64 and 62,007.20

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Solution

The fourth proportional to 112,308.32, 154,986.64 and 62,007.20 is: 85,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.32 : 154,986.64 = 62,007.20 : x
  2. Step 2: Convert to fraction form
    112,308.32/154,986.64 = 62,007.20/x
  3. Step 3: Cross multiply
    112,308.32x = 154,986.64 × 62,007.20
  4. Step 4: Simplify right side
    112,308.32x = 9,610,287,583.81
  5. Step 5: Solve for x
    x = 9,610,287,583.81/112,308.32
  6. Step 6: Final answer
    x = 85,570.58

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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.