Home / 148,809.47-205,244.53-103,464.76

Finding the Fourth Proportional to 148,809.47, 205,244.53 and 103,464.76

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Solution

The fourth proportional to 148,809.47, 205,244.53 and 103,464.76 is: 142,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,809.47 : 205,244.53 = 103,464.76 : x
  2. Step 2: Convert to fraction form
    148,809.47/205,244.53 = 103,464.76/x
  3. Step 3: Cross multiply
    148,809.47x = 205,244.53 × 103,464.76
  4. Step 4: Simplify right side
    148,809.47x = 21,235,575,011.54
  5. Step 5: Solve for x
    x = 21,235,575,011.54/148,809.47
  6. Step 6: Final answer
    x = 142,703.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.