Home / 102,763.74-154,040.51-52,068.86

Finding the Fourth Proportional to 102,763.74, 154,040.51 and 52,068.86

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Solution

The fourth proportional to 102,763.74, 154,040.51 and 52,068.86 is: 78,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,763.74 : 154,040.51 = 52,068.86 : x
  2. Step 2: Convert to fraction form
    102,763.74/154,040.51 = 52,068.86/x
  3. Step 3: Cross multiply
    102,763.74x = 154,040.51 × 52,068.86
  4. Step 4: Simplify right side
    102,763.74x = 8,020,712,718.97
  5. Step 5: Solve for x
    x = 8,020,712,718.97/102,763.74
  6. Step 6: Final answer
    x = 78,050.03

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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.