Home / 134,430.43-185,507.62-73,999.83

Finding the Fourth Proportional to 134,430.43, 185,507.62 and 73,999.83

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Solution

The fourth proportional to 134,430.43, 185,507.62 and 73,999.83 is: 102,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,430.43 : 185,507.62 = 73,999.83 : x
  2. Step 2: Convert to fraction form
    134,430.43/185,507.62 = 73,999.83/x
  3. Step 3: Cross multiply
    134,430.43x = 185,507.62 × 73,999.83
  4. Step 4: Simplify right side
    134,430.43x = 13,727,532,343.70
  5. Step 5: Solve for x
    x = 13,727,532,343.70/134,430.43
  6. Step 6: Final answer
    x = 102,116.26

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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.