Home / 113,818.64-157,074-63,527.36

Finding the Fourth Proportional to 113,818.64, 157,074 and 63,527.36

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Solution

The fourth proportional to 113,818.64, 157,074 and 63,527.36 is: 87,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.64 : 157,074 = 63,527.36 : x
  2. Step 2: Convert to fraction form
    113,818.64/157,074 = 63,527.36/x
  3. Step 3: Cross multiply
    113,818.64x = 157,074 × 63,527.36
  4. Step 4: Simplify right side
    113,818.64x = 9,978,496,544.64
  5. Step 5: Solve for x
    x = 9,978,496,544.64/113,818.64
  6. Step 6: Final answer
    x = 87,670.14

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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.