Home / 99,097.55-148,669.04-42,947.09

Finding the Fourth Proportional to 99,097.55, 148,669.04 and 42,947.09

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Solution

The fourth proportional to 99,097.55, 148,669.04 and 42,947.09 is: 64,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.55 : 148,669.04 = 42,947.09 : x
  2. Step 2: Convert to fraction form
    99,097.55/148,669.04 = 42,947.09/x
  3. Step 3: Cross multiply
    99,097.55x = 148,669.04 × 42,947.09
  4. Step 4: Simplify right side
    99,097.55x = 6,384,902,641.09
  5. Step 5: Solve for x
    x = 6,384,902,641.09/99,097.55
  6. Step 6: Final answer
    x = 64,430.48

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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.