Home / 170,787.52-235,165.05-154,767.76

Finding the Fourth Proportional to 170,787.52, 235,165.05 and 154,767.76

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Solution

The fourth proportional to 170,787.52, 235,165.05 and 154,767.76 is: 213,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,787.52 : 235,165.05 = 154,767.76 : x
  2. Step 2: Convert to fraction form
    170,787.52/235,165.05 = 154,767.76/x
  3. Step 3: Cross multiply
    170,787.52x = 235,165.05 × 154,767.76
  4. Step 4: Simplify right side
    170,787.52x = 36,395,968,018.79
  5. Step 5: Solve for x
    x = 36,395,968,018.79/170,787.52
  6. Step 6: Final answer
    x = 213,106.72

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1.5x scale

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.