Home / 134,657.64-185,724.90-102,931.56

Finding the Fourth Proportional to 134,657.64, 185,724.90 and 102,931.56

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Solution

The fourth proportional to 134,657.64, 185,724.90 and 102,931.56 is: 141,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,657.64 : 185,724.90 = 102,931.56 : x
  2. Step 2: Convert to fraction form
    134,657.64/185,724.90 = 102,931.56/x
  3. Step 3: Cross multiply
    134,657.64x = 185,724.90 × 102,931.56
  4. Step 4: Simplify right side
    134,657.64x = 19,116,953,687.84
  5. Step 5: Solve for x
    x = 19,116,953,687.84/134,657.64
  6. Step 6: Final answer
    x = 141,967.09

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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.