Home / 249,181.92-343,869.84-136,004.40

Finding the Fourth Proportional to 249,181.92, 343,869.84 and 136,004.40

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Solution

The fourth proportional to 249,181.92, 343,869.84 and 136,004.40 is: 187,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,181.92 : 343,869.84 = 136,004.40 : x
  2. Step 2: Convert to fraction form
    249,181.92/343,869.84 = 136,004.40/x
  3. Step 3: Cross multiply
    249,181.92x = 343,869.84 × 136,004.40
  4. Step 4: Simplify right side
    249,181.92x = 46,767,811,267.30
  5. Step 5: Solve for x
    x = 46,767,811,267.30/249,181.92
  6. Step 6: Final answer
    x = 187,685.41

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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.