Home / 142,055.38-212,933.26-47,260.17

Finding the Fourth Proportional to 142,055.38, 212,933.26 and 47,260.17

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Solution

The fourth proportional to 142,055.38, 212,933.26 and 47,260.17 is: 70,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,055.38 : 212,933.26 = 47,260.17 : x
  2. Step 2: Convert to fraction form
    142,055.38/212,933.26 = 47,260.17/x
  3. Step 3: Cross multiply
    142,055.38x = 212,933.26 × 47,260.17
  4. Step 4: Simplify right side
    142,055.38x = 10,063,262,066.25
  5. Step 5: Solve for x
    x = 10,063,262,066.25/142,055.38
  6. Step 6: Final answer
    x = 70,840.41

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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.