Home / 145,752.11-218,134.34-89,627.76

Finding the Fourth Proportional to 145,752.11, 218,134.34 and 89,627.76

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Solution

The fourth proportional to 145,752.11, 218,134.34 and 89,627.76 is: 134,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,752.11 : 218,134.34 = 89,627.76 : x
  2. Step 2: Convert to fraction form
    145,752.11/218,134.34 = 89,627.76/x
  3. Step 3: Cross multiply
    145,752.11x = 218,134.34 × 89,627.76
  4. Step 4: Simplify right side
    145,752.11x = 19,550,892,273.28
  5. Step 5: Solve for x
    x = 19,550,892,273.28/145,752.11
  6. Step 6: Final answer
    x = 134,137.98

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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.