Home / 103,043.75-154,575.08-31,966.94

Finding the Fourth Proportional to 103,043.75, 154,575.08 and 31,966.94

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Solution

The fourth proportional to 103,043.75, 154,575.08 and 31,966.94 is: 47,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,043.75 : 154,575.08 = 31,966.94 : x
  2. Step 2: Convert to fraction form
    103,043.75/154,575.08 = 31,966.94/x
  3. Step 3: Cross multiply
    103,043.75x = 154,575.08 × 31,966.94
  4. Step 4: Simplify right side
    103,043.75x = 4,941,292,307.86
  5. Step 5: Solve for x
    x = 4,941,292,307.86/103,043.75
  6. Step 6: Final answer
    x = 47,953.34

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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.