Home / 134,856.46-186,095.59-77,455.40

Finding the Fourth Proportional to 134,856.46, 186,095.59 and 77,455.40

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Solution

The fourth proportional to 134,856.46, 186,095.59 and 77,455.40 is: 106,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.46 : 186,095.59 = 77,455.40 : x
  2. Step 2: Convert to fraction form
    134,856.46/186,095.59 = 77,455.40/x
  3. Step 3: Cross multiply
    134,856.46x = 186,095.59 × 77,455.40
  4. Step 4: Simplify right side
    134,856.46x = 14,414,108,361.69
  5. Step 5: Solve for x
    x = 14,414,108,361.69/134,856.46
  6. Step 6: Final answer
    x = 106,884.82

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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.