Home / 113,569.12-170,165.35-69,061.24

Finding the Fourth Proportional to 113,569.12, 170,165.35 and 69,061.24

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Solution

The fourth proportional to 113,569.12, 170,165.35 and 69,061.24 is: 103,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,569.12 : 170,165.35 = 69,061.24 : x
  2. Step 2: Convert to fraction form
    113,569.12/170,165.35 = 69,061.24/x
  3. Step 3: Cross multiply
    113,569.12x = 170,165.35 × 69,061.24
  4. Step 4: Simplify right side
    113,569.12x = 11,751,830,076.03
  5. Step 5: Solve for x
    x = 11,751,830,076.03/113,569.12
  6. Step 6: Final answer
    x = 103,477.34

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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.