Home / 107,178.56-147,899.20-59,430.12

Finding the Fourth Proportional to 107,178.56, 147,899.20 and 59,430.12

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Solution

The fourth proportional to 107,178.56, 147,899.20 and 59,430.12 is: 82,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,178.56 : 147,899.20 = 59,430.12 : x
  2. Step 2: Convert to fraction form
    107,178.56/147,899.20 = 59,430.12/x
  3. Step 3: Cross multiply
    107,178.56x = 147,899.20 × 59,430.12
  4. Step 4: Simplify right side
    107,178.56x = 8,789,667,203.90
  5. Step 5: Solve for x
    x = 8,789,667,203.90/107,178.56
  6. Step 6: Final answer
    x = 82,009.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.