Home / 99,011.05-148,538.45-49,118.29

Finding the Fourth Proportional to 99,011.05, 148,538.45 and 49,118.29

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Solution

The fourth proportional to 99,011.05, 148,538.45 and 49,118.29 is: 73,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,011.05 : 148,538.45 = 49,118.29 : x
  2. Step 2: Convert to fraction form
    99,011.05/148,538.45 = 49,118.29/x
  3. Step 3: Cross multiply
    99,011.05x = 148,538.45 × 49,118.29
  4. Step 4: Simplify right side
    99,011.05x = 7,295,954,663.25
  5. Step 5: Solve for x
    x = 7,295,954,663.25/99,011.05
  6. Step 6: Final answer
    x = 73,688.29

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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.