Home / 142,776.28-197,054.46-136,476.76

Finding the Fourth Proportional to 142,776.28, 197,054.46 and 136,476.76

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Solution

The fourth proportional to 142,776.28, 197,054.46 and 136,476.76 is: 188,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,776.28 : 197,054.46 = 136,476.76 : x
  2. Step 2: Convert to fraction form
    142,776.28/197,054.46 = 136,476.76/x
  3. Step 3: Cross multiply
    142,776.28x = 197,054.46 × 136,476.76
  4. Step 4: Simplify right side
    142,776.28x = 26,893,354,244.35
  5. Step 5: Solve for x
    x = 26,893,354,244.35/142,776.28
  6. Step 6: Final answer
    x = 188,360.10

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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.