Home / 210,009.20-289,787.64-119,332.40

Finding the Fourth Proportional to 210,009.20, 289,787.64 and 119,332.40

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Solution

The fourth proportional to 210,009.20, 289,787.64 and 119,332.40 is: 164,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,009.20 : 289,787.64 = 119,332.40 : x
  2. Step 2: Convert to fraction form
    210,009.20/289,787.64 = 119,332.40/x
  3. Step 3: Cross multiply
    210,009.20x = 289,787.64 × 119,332.40
  4. Step 4: Simplify right side
    210,009.20x = 34,581,054,571.54
  5. Step 5: Solve for x
    x = 34,581,054,571.54/210,009.20
  6. Step 6: Final answer
    x = 164,664.47

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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.