Home / 249,407.36-344,168-142,003.52

Finding the Fourth Proportional to 249,407.36, 344,168 and 142,003.52

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Solution

The fourth proportional to 249,407.36, 344,168 and 142,003.52 is: 195,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407.36 : 344,168 = 142,003.52 : x
  2. Step 2: Convert to fraction form
    249,407.36/344,168 = 142,003.52/x
  3. Step 3: Cross multiply
    249,407.36x = 344,168 × 142,003.52
  4. Step 4: Simplify right side
    249,407.36x = 48,873,067,471.36
  5. Step 5: Solve for x
    x = 48,873,067,471.36/249,407.36
  6. Step 6: Final answer
    x = 195,956.80

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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.