Home / 113,374.45-156,672.53-85,030.93

Finding the Fourth Proportional to 113,374.45, 156,672.53 and 85,030.93

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Solution

The fourth proportional to 113,374.45, 156,672.53 and 85,030.93 is: 117,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374.45 : 156,672.53 = 85,030.93 : x
  2. Step 2: Convert to fraction form
    113,374.45/156,672.53 = 85,030.93/x
  3. Step 3: Cross multiply
    113,374.45x = 156,672.53 × 85,030.93
  4. Step 4: Simplify right side
    113,374.45x = 13,322,010,931.35
  5. Step 5: Solve for x
    x = 13,322,010,931.35/113,374.45
  6. Step 6: Final answer
    x = 117,504.53

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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.