Home / 134,430.52-185,512.70-73,999.88

Finding the Fourth Proportional to 134,430.52, 185,512.70 and 73,999.88

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Solution

The fourth proportional to 134,430.52, 185,512.70 and 73,999.88 is: 102,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,430.52 : 185,512.70 = 73,999.88 : x
  2. Step 2: Convert to fraction form
    134,430.52/185,512.70 = 73,999.88/x
  3. Step 3: Cross multiply
    134,430.52x = 185,512.70 × 73,999.88
  4. Step 4: Simplify right side
    134,430.52x = 13,727,917,538.48
  5. Step 5: Solve for x
    x = 13,727,917,538.48/134,430.52
  6. Step 6: Final answer
    x = 102,119.05

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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.