Home / 112,916.58-155,688.66-97,575.72

Finding the Fourth Proportional to 112,916.58, 155,688.66 and 97,575.72

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Solution

The fourth proportional to 112,916.58, 155,688.66 and 97,575.72 is: 134,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.58 : 155,688.66 = 97,575.72 : x
  2. Step 2: Convert to fraction form
    112,916.58/155,688.66 = 97,575.72/x
  3. Step 3: Cross multiply
    112,916.58x = 155,688.66 × 97,575.72
  4. Step 4: Simplify right side
    112,916.58x = 15,191,433,095.34
  5. Step 5: Solve for x
    x = 15,191,433,095.34/112,916.58
  6. Step 6: Final answer
    x = 134,536.78

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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.