Home / 257,204.12-354,937.82-142,482.40

Finding the Fourth Proportional to 257,204.12, 354,937.82 and 142,482.40

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Solution

The fourth proportional to 257,204.12, 354,937.82 and 142,482.40 is: 196,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,204.12 : 354,937.82 = 142,482.40 : x
  2. Step 2: Convert to fraction form
    257,204.12/354,937.82 = 142,482.40/x
  3. Step 3: Cross multiply
    257,204.12x = 354,937.82 × 142,482.40
  4. Step 4: Simplify right side
    257,204.12x = 50,572,392,444.37
  5. Step 5: Solve for x
    x = 50,572,392,444.37/257,204.12
  6. Step 6: Final answer
    x = 196,623.57

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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.