Home / 141,423.09-212,079.03-51,444.45

Finding the Fourth Proportional to 141,423.09, 212,079.03 and 51,444.45

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Solution

The fourth proportional to 141,423.09, 212,079.03 and 51,444.45 is: 77,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,423.09 : 212,079.03 = 51,444.45 : x
  2. Step 2: Convert to fraction form
    141,423.09/212,079.03 = 51,444.45/x
  3. Step 3: Cross multiply
    141,423.09x = 212,079.03 × 51,444.45
  4. Step 4: Simplify right side
    141,423.09x = 10,910,289,054.88
  5. Step 5: Solve for x
    x = 10,910,289,054.88/141,423.09
  6. Step 6: Final answer
    x = 77,146.45

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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.