Home / 249,719.18-344,634.98-142,323.81

Finding the Fourth Proportional to 249,719.18, 344,634.98 and 142,323.81

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Solution

The fourth proportional to 249,719.18, 344,634.98 and 142,323.81 is: 196,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,719.18 : 344,634.98 = 142,323.81 : x
  2. Step 2: Convert to fraction form
    249,719.18/344,634.98 = 142,323.81/x
  3. Step 3: Cross multiply
    249,719.18x = 344,634.98 × 142,323.81
  4. Step 4: Simplify right side
    249,719.18x = 49,049,762,778.45
  5. Step 5: Solve for x
    x = 49,049,762,778.45/249,719.18
  6. Step 6: Final answer
    x = 196,419.69

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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.