Home / 252,124.80-378,187.20-141,302.40

Finding the Fourth Proportional to 252,124.80, 378,187.20 and 141,302.40

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Solution

The fourth proportional to 252,124.80, 378,187.20 and 141,302.40 is: 211,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,124.80 : 378,187.20 = 141,302.40 : x
  2. Step 2: Convert to fraction form
    252,124.80/378,187.20 = 141,302.40/x
  3. Step 3: Cross multiply
    252,124.80x = 378,187.20 × 141,302.40
  4. Step 4: Simplify right side
    252,124.80x = 53,438,759,009.28
  5. Step 5: Solve for x
    x = 53,438,759,009.28/252,124.80
  6. Step 6: Final answer
    x = 211,953.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.