Home / 99,663.88-137,534.40-54,342.22

Finding the Fourth Proportional to 99,663.88, 137,534.40 and 54,342.22

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Solution

The fourth proportional to 99,663.88, 137,534.40 and 54,342.22 is: 74,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.88 : 137,534.40 = 54,342.22 : x
  2. Step 2: Convert to fraction form
    99,663.88/137,534.40 = 54,342.22/x
  3. Step 3: Cross multiply
    99,663.88x = 137,534.40 × 54,342.22
  4. Step 4: Simplify right side
    99,663.88x = 7,473,924,622.37
  5. Step 5: Solve for x
    x = 7,473,924,622.37/99,663.88
  6. Step 6: Final answer
    x = 74,991.31

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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.