Home / 216,177.92-298,240.80-125,518.40

Finding the Fourth Proportional to 216,177.92, 298,240.80 and 125,518.40

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Solution

The fourth proportional to 216,177.92, 298,240.80 and 125,518.40 is: 173,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,177.92 : 298,240.80 = 125,518.40 : x
  2. Step 2: Convert to fraction form
    216,177.92/298,240.80 = 125,518.40/x
  3. Step 3: Cross multiply
    216,177.92x = 298,240.80 × 125,518.40
  4. Step 4: Simplify right side
    216,177.92x = 37,434,708,030.72
  5. Step 5: Solve for x
    x = 37,434,708,030.72/216,177.92
  6. Step 6: Final answer
    x = 173,166.20

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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.