Home / 154,360.85-212,992.27-90,710.93

Finding the Fourth Proportional to 154,360.85, 212,992.27 and 90,710.93

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Solution

The fourth proportional to 154,360.85, 212,992.27 and 90,710.93 is: 125,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.85 : 212,992.27 = 90,710.93 : x
  2. Step 2: Convert to fraction form
    154,360.85/212,992.27 = 90,710.93/x
  3. Step 3: Cross multiply
    154,360.85x = 212,992.27 × 90,710.93
  4. Step 4: Simplify right side
    154,360.85x = 19,320,727,200.21
  5. Step 5: Solve for x
    x = 19,320,727,200.21/154,360.85
  6. Step 6: Final answer
    x = 125,165.98

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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.