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Finding the Fourth Proportional to 98,241.56, 147,221.55 and 56,034.28

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Solution

The fourth proportional to 98,241.56, 147,221.55 and 56,034.28 is: 83,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,241.56 : 147,221.55 = 56,034.28 : x
  2. Step 2: Convert to fraction form
    98,241.56/147,221.55 = 56,034.28/x
  3. Step 3: Cross multiply
    98,241.56x = 147,221.55 × 56,034.28
  4. Step 4: Simplify right side
    98,241.56x = 8,249,453,738.76
  5. Step 5: Solve for x
    x = 8,249,453,738.76/98,241.56
  6. Step 6: Final answer
    x = 83,971.12

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1.5x scale

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.