Home / 249,858.90-344,804.21-135,137.66

Finding the Fourth Proportional to 249,858.90, 344,804.21 and 135,137.66

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Solution

The fourth proportional to 249,858.90, 344,804.21 and 135,137.66 is: 186,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,858.90 : 344,804.21 = 135,137.66 : x
  2. Step 2: Convert to fraction form
    249,858.90/344,804.21 = 135,137.66/x
  3. Step 3: Cross multiply
    249,858.90x = 344,804.21 × 135,137.66
  4. Step 4: Simplify right side
    249,858.90x = 46,596,031,697.84
  5. Step 5: Solve for x
    x = 46,596,031,697.84/249,858.90
  6. Step 6: Final answer
    x = 186,489.38

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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.