Home / 249,860.61-344,806.56-135,139.37

Finding the Fourth Proportional to 249,860.61, 344,806.56 and 135,139.37

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Solution

The fourth proportional to 249,860.61, 344,806.56 and 135,139.37 is: 186,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,860.61 : 344,806.56 = 135,139.37 : x
  2. Step 2: Convert to fraction form
    249,860.61/344,806.56 = 135,139.37/x
  3. Step 3: Cross multiply
    249,860.61x = 344,806.56 × 135,139.37
  4. Step 4: Simplify right side
    249,860.61x = 46,596,939,566.23
  5. Step 5: Solve for x
    x = 46,596,939,566.23/249,860.61
  6. Step 6: Final answer
    x = 186,491.74

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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.