Home / 102,938.51-154,374.93-53,012.07

Finding the Fourth Proportional to 102,938.51, 154,374.93 and 53,012.07

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Solution

The fourth proportional to 102,938.51, 154,374.93 and 53,012.07 is: 79,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,938.51 : 154,374.93 = 53,012.07 : x
  2. Step 2: Convert to fraction form
    102,938.51/154,374.93 = 53,012.07/x
  3. Step 3: Cross multiply
    102,938.51x = 154,374.93 × 53,012.07
  4. Step 4: Simplify right side
    102,938.51x = 8,183,734,595.41
  5. Step 5: Solve for x
    x = 8,183,734,595.41/102,938.51
  6. Step 6: Final answer
    x = 79,501.19

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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.