Home / 102,913.60-154,370.40-101,929.45

Finding the Fourth Proportional to 102,913.60, 154,370.40 and 101,929.45

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Solution

The fourth proportional to 102,913.60, 154,370.40 and 101,929.45 is: 152,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.60 : 154,370.40 = 101,929.45 : x
  2. Step 2: Convert to fraction form
    102,913.60/154,370.40 = 101,929.45/x
  3. Step 3: Cross multiply
    102,913.60x = 154,370.40 × 101,929.45
  4. Step 4: Simplify right side
    102,913.60x = 15,734,889,968.28
  5. Step 5: Solve for x
    x = 15,734,889,968.28/102,913.60
  6. Step 6: Final answer
    x = 152,894.18

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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.