Home / 102,898.86-154,351.56-35,430.18

Finding the Fourth Proportional to 102,898.86, 154,351.56 and 35,430.18

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Solution

The fourth proportional to 102,898.86, 154,351.56 and 35,430.18 is: 53,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,898.86 : 154,351.56 = 35,430.18 : x
  2. Step 2: Convert to fraction form
    102,898.86/154,351.56 = 35,430.18/x
  3. Step 3: Cross multiply
    102,898.86x = 154,351.56 × 35,430.18
  4. Step 4: Simplify right side
    102,898.86x = 5,468,703,554.08
  5. Step 5: Solve for x
    x = 5,468,703,554.08/102,898.86
  6. Step 6: Final answer
    x = 53,146.40

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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.