Home / 249,800.96-344,728-136,621.28

Finding the Fourth Proportional to 249,800.96, 344,728 and 136,621.28

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Solution

The fourth proportional to 249,800.96, 344,728 and 136,621.28 is: 188,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,800.96 : 344,728 = 136,621.28 : x
  2. Step 2: Convert to fraction form
    249,800.96/344,728 = 136,621.28/x
  3. Step 3: Cross multiply
    249,800.96x = 344,728 × 136,621.28
  4. Step 4: Simplify right side
    249,800.96x = 47,097,180,611.84
  5. Step 5: Solve for x
    x = 47,097,180,611.84/249,800.96
  6. Step 6: Final answer
    x = 188,538.83

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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.