Home / 249,961.50-344,946.90-136,784.28

Finding the Fourth Proportional to 249,961.50, 344,946.90 and 136,784.28

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Solution

The fourth proportional to 249,961.50, 344,946.90 and 136,784.28 is: 188,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,961.50 : 344,946.90 = 136,784.28 : x
  2. Step 2: Convert to fraction form
    249,961.50/344,946.90 = 136,784.28/x
  3. Step 3: Cross multiply
    249,961.50x = 344,946.90 × 136,784.28
  4. Step 4: Simplify right side
    249,961.50x = 47,183,313,354.73
  5. Step 5: Solve for x
    x = 47,183,313,354.73/249,961.50
  6. Step 6: Final answer
    x = 188,762.32

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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.