Home / 98,192.77-147,289.28-31,642.81

Finding the Fourth Proportional to 98,192.77, 147,289.28 and 31,642.81

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Solution

The fourth proportional to 98,192.77, 147,289.28 and 31,642.81 is: 47,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,192.77 : 147,289.28 = 31,642.81 : x
  2. Step 2: Convert to fraction form
    98,192.77/147,289.28 = 31,642.81/x
  3. Step 3: Cross multiply
    98,192.77x = 147,289.28 × 31,642.81
  4. Step 4: Simplify right side
    98,192.77x = 4,660,646,175.64
  5. Step 5: Solve for x
    x = 4,660,646,175.64/98,192.77
  6. Step 6: Final answer
    x = 47,464.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.