Home / 210,127.58-314,902.26-90,040.78

Finding the Fourth Proportional to 210,127.58, 314,902.26 and 90,040.78

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Solution

The fourth proportional to 210,127.58, 314,902.26 and 90,040.78 is: 134,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127.58 : 314,902.26 = 90,040.78 : x
  2. Step 2: Convert to fraction form
    210,127.58/314,902.26 = 90,040.78/x
  3. Step 3: Cross multiply
    210,127.58x = 314,902.26 × 90,040.78
  4. Step 4: Simplify right side
    210,127.58x = 28,354,044,326.91
  5. Step 5: Solve for x
    x = 28,354,044,326.91/210,127.58
  6. Step 6: Final answer
    x = 134,937.28

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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.