Home / 249,945.60-344,920.32-136,766.08

Finding the Fourth Proportional to 249,945.60, 344,920.32 and 136,766.08

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Solution

The fourth proportional to 249,945.60, 344,920.32 and 136,766.08 is: 188,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,945.60 : 344,920.32 = 136,766.08 : x
  2. Step 2: Convert to fraction form
    249,945.60/344,920.32 = 136,766.08/x
  3. Step 3: Cross multiply
    249,945.60x = 344,920.32 × 136,766.08
  4. Step 4: Simplify right side
    249,945.60x = 47,173,400,078.75
  5. Step 5: Solve for x
    x = 47,173,400,078.75/249,945.60
  6. Step 6: Final answer
    x = 188,734.67

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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.