Home / 151,907.07-228,003.60-77,080.91

Finding the Fourth Proportional to 151,907.07, 228,003.60 and 77,080.91

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Solution

The fourth proportional to 151,907.07, 228,003.60 and 77,080.91 is: 115,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,907.07 : 228,003.60 = 77,080.91 : x
  2. Step 2: Convert to fraction form
    151,907.07/228,003.60 = 77,080.91/x
  3. Step 3: Cross multiply
    151,907.07x = 228,003.60 × 77,080.91
  4. Step 4: Simplify right side
    151,907.07x = 17,574,723,831.26
  5. Step 5: Solve for x
    x = 17,574,723,831.26/151,907.07
  6. Step 6: Final answer
    x = 115,693.92

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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.