Home / 180,519.90-249,126.66-99,956.31

Finding the Fourth Proportional to 180,519.90, 249,126.66 and 99,956.31

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Solution

The fourth proportional to 180,519.90, 249,126.66 and 99,956.31 is: 137,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,519.90 : 249,126.66 = 99,956.31 : x
  2. Step 2: Convert to fraction form
    180,519.90/249,126.66 = 99,956.31/x
  3. Step 3: Cross multiply
    180,519.90x = 249,126.66 × 99,956.31
  4. Step 4: Simplify right side
    180,519.90x = 24,901,781,656.22
  5. Step 5: Solve for x
    x = 24,901,781,656.22/180,519.90
  6. Step 6: Final answer
    x = 137,944.80

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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.