Home / 257,265.18-355,025.43-144,085.50

Finding the Fourth Proportional to 257,265.18, 355,025.43 and 144,085.50

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Solution

The fourth proportional to 257,265.18, 355,025.43 and 144,085.50 is: 198,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,265.18 : 355,025.43 = 144,085.50 : x
  2. Step 2: Convert to fraction form
    257,265.18/355,025.43 = 144,085.50/x
  3. Step 3: Cross multiply
    257,265.18x = 355,025.43 × 144,085.50
  4. Step 4: Simplify right side
    257,265.18x = 51,154,016,594.27
  5. Step 5: Solve for x
    x = 51,154,016,594.27/257,265.18
  6. Step 6: Final answer
    x = 198,837.70

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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.