Home / 142,001.09-212,955.39-47,205.85

Finding the Fourth Proportional to 142,001.09, 212,955.39 and 47,205.85

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Solution

The fourth proportional to 142,001.09, 212,955.39 and 47,205.85 is: 70,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,001.09 : 212,955.39 = 47,205.85 : x
  2. Step 2: Convert to fraction form
    142,001.09/212,955.39 = 47,205.85/x
  3. Step 3: Cross multiply
    142,001.09x = 212,955.39 × 47,205.85
  4. Step 4: Simplify right side
    142,001.09x = 10,052,740,197.03
  5. Step 5: Solve for x
    x = 10,052,740,197.03/142,001.09
  6. Step 6: Final answer
    x = 70,793.40

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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.