Home / 134,507.18-185,642.10-102,615.86

Finding the Fourth Proportional to 134,507.18, 185,642.10 and 102,615.86

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Solution

The fourth proportional to 134,507.18, 185,642.10 and 102,615.86 is: 141,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.18 : 185,642.10 = 102,615.86 : x
  2. Step 2: Convert to fraction form
    134,507.18/185,642.10 = 102,615.86/x
  3. Step 3: Cross multiply
    134,507.18x = 185,642.10 × 102,615.86
  4. Step 4: Simplify right side
    134,507.18x = 19,049,823,743.71
  5. Step 5: Solve for x
    x = 19,049,823,743.71/134,507.18
  6. Step 6: Final answer
    x = 141,626.82

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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.