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Finding the Fourth Proportional to 98,307.96, 147,510 and 45,754.08

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Solution

The fourth proportional to 98,307.96, 147,510 and 45,754.08 is: 68,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,307.96 : 147,510 = 45,754.08 : x
  2. Step 2: Convert to fraction form
    98,307.96/147,510 = 45,754.08/x
  3. Step 3: Cross multiply
    98,307.96x = 147,510 × 45,754.08
  4. Step 4: Simplify right side
    98,307.96x = 6,749,184,340.80
  5. Step 5: Solve for x
    x = 6,749,184,340.80/98,307.96
  6. Step 6: Final answer
    x = 68,653.49

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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.