Home / 98,509.00-147,784.28-31,943.95

Finding the Fourth Proportional to 98,509.00, 147,784.28 and 31,943.95

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Solution

The fourth proportional to 98,509.00, 147,784.28 and 31,943.95 is: 47,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,509.00 : 147,784.28 = 31,943.95 : x
  2. Step 2: Convert to fraction form
    98,509.00/147,784.28 = 31,943.95/x
  3. Step 3: Cross multiply
    98,509.00x = 147,784.28 × 31,943.95
  4. Step 4: Simplify right side
    98,509.00x = 4,720,814,120.31
  5. Step 5: Solve for x
    x = 4,720,814,120.31/98,509.00
  6. Step 6: Final answer
    x = 47,922.67

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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.