Home / 157,492.93-217,334.82-89,508.72

Finding the Fourth Proportional to 157,492.93, 217,334.82 and 89,508.72

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Solution

The fourth proportional to 157,492.93, 217,334.82 and 89,508.72 is: 123,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.93 : 217,334.82 = 89,508.72 : x
  2. Step 2: Convert to fraction form
    157,492.93/217,334.82 = 89,508.72/x
  3. Step 3: Cross multiply
    157,492.93x = 217,334.82 × 89,508.72
  4. Step 4: Simplify right side
    157,492.93x = 19,453,360,462.96
  5. Step 5: Solve for x
    x = 19,453,360,462.96/157,492.93
  6. Step 6: Final answer
    x = 123,518.95

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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.