Home / 134,421.88-185,480.48-77,050.63

Finding the Fourth Proportional to 134,421.88, 185,480.48 and 77,050.63

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Solution

The fourth proportional to 134,421.88, 185,480.48 and 77,050.63 is: 106,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.88 : 185,480.48 = 77,050.63 : x
  2. Step 2: Convert to fraction form
    134,421.88/185,480.48 = 77,050.63/x
  3. Step 3: Cross multiply
    134,421.88x = 185,480.48 × 77,050.63
  4. Step 4: Simplify right side
    134,421.88x = 14,291,387,915.15
  5. Step 5: Solve for x
    x = 14,291,387,915.15/134,421.88
  6. Step 6: Final answer
    x = 106,317.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.