Home / 249,421.58-344,188.92-136,222.46

Finding the Fourth Proportional to 249,421.58, 344,188.92 and 136,222.46

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Solution

The fourth proportional to 249,421.58, 344,188.92 and 136,222.46 is: 187,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,421.58 : 344,188.92 = 136,222.46 : x
  2. Step 2: Convert to fraction form
    249,421.58/344,188.92 = 136,222.46/x
  3. Step 3: Cross multiply
    249,421.58x = 344,188.92 × 136,222.46
  4. Step 4: Simplify right side
    249,421.58x = 46,886,261,387.14
  5. Step 5: Solve for x
    x = 46,886,261,387.14/249,421.58
  6. Step 6: Final answer
    x = 187,979.97

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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.