Home / 249,345.75-344,099.03-136,168.50

Finding the Fourth Proportional to 249,345.75, 344,099.03 and 136,168.50

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Solution

The fourth proportional to 249,345.75, 344,099.03 and 136,168.50 is: 187,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,345.75 : 344,099.03 = 136,168.50 : x
  2. Step 2: Convert to fraction form
    249,345.75/344,099.03 = 136,168.50/x
  3. Step 3: Cross multiply
    249,345.75x = 344,099.03 × 136,168.50
  4. Step 4: Simplify right side
    249,345.75x = 46,855,448,085.71
  5. Step 5: Solve for x
    x = 46,855,448,085.71/249,345.75
  6. Step 6: Final answer
    x = 187,913.56

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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.