Home / 110,648.37-166,038.18-103,643.14

Finding the Fourth Proportional to 110,648.37, 166,038.18 and 103,643.14

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Solution

The fourth proportional to 110,648.37, 166,038.18 and 103,643.14 is: 155,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,648.37 : 166,038.18 = 103,643.14 : x
  2. Step 2: Convert to fraction form
    110,648.37/166,038.18 = 103,643.14/x
  3. Step 3: Cross multiply
    110,648.37x = 166,038.18 × 103,643.14
  4. Step 4: Simplify right side
    110,648.37x = 17,208,718,335.09
  5. Step 5: Solve for x
    x = 17,208,718,335.09/110,648.37
  6. Step 6: Final answer
    x = 155,526.18

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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.