Home / 98,023.98-147,022.08-31,455.51

Finding the Fourth Proportional to 98,023.98, 147,022.08 and 31,455.51

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Solution

The fourth proportional to 98,023.98, 147,022.08 and 31,455.51 is: 47,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,023.98 : 147,022.08 = 31,455.51 : x
  2. Step 2: Convert to fraction form
    98,023.98/147,022.08 = 31,455.51/x
  3. Step 3: Cross multiply
    98,023.98x = 147,022.08 × 31,455.51
  4. Step 4: Simplify right side
    98,023.98x = 4,624,653,838.37
  5. Step 5: Solve for x
    x = 4,624,653,838.37/98,023.98
  6. Step 6: Final answer
    x = 47,178.80

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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.