Home / 190,425.07-285,823.50-90,654.13

Finding the Fourth Proportional to 190,425.07, 285,823.50 and 90,654.13

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Solution

The fourth proportional to 190,425.07, 285,823.50 and 90,654.13 is: 136,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.07 : 285,823.50 = 90,654.13 : x
  2. Step 2: Convert to fraction form
    190,425.07/285,823.50 = 90,654.13/x
  3. Step 3: Cross multiply
    190,425.07x = 285,823.50 × 90,654.13
  4. Step 4: Simplify right side
    190,425.07x = 25,911,080,726.06
  5. Step 5: Solve for x
    x = 25,911,080,726.06/190,425.07
  6. Step 6: Final answer
    x = 136,069.69

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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.