Home / 249,581.11-344,421.90-136,403.86

Finding the Fourth Proportional to 249,581.11, 344,421.90 and 136,403.86

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Solution

The fourth proportional to 249,581.11, 344,421.90 and 136,403.86 is: 188,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,581.11 : 344,421.90 = 136,403.86 : x
  2. Step 2: Convert to fraction form
    249,581.11/344,421.90 = 136,403.86/x
  3. Step 3: Cross multiply
    249,581.11x = 344,421.90 × 136,403.86
  4. Step 4: Simplify right side
    249,581.11x = 46,980,476,628.53
  5. Step 5: Solve for x
    x = 46,980,476,628.53/249,581.11
  6. Step 6: Final answer
    x = 188,237.31

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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.