Home / 171,357.03-257,089.31-103,047.20

Finding the Fourth Proportional to 171,357.03, 257,089.31 and 103,047.20

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Solution

The fourth proportional to 171,357.03, 257,089.31 and 103,047.20 is: 154,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,357.03 : 257,089.31 = 103,047.20 : x
  2. Step 2: Convert to fraction form
    171,357.03/257,089.31 = 103,047.20/x
  3. Step 3: Cross multiply
    171,357.03x = 257,089.31 × 103,047.20
  4. Step 4: Simplify right side
    171,357.03x = 26,492,331,744.75
  5. Step 5: Solve for x
    x = 26,492,331,744.75/171,357.03
  6. Step 6: Final answer
    x = 154,603.12

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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.