Home / 210,009.64-289,768.26-125,154.76

Finding the Fourth Proportional to 210,009.64, 289,768.26 and 125,154.76

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Solution

The fourth proportional to 210,009.64, 289,768.26 and 125,154.76 is: 172,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,009.64 : 289,768.26 = 125,154.76 : x
  2. Step 2: Convert to fraction form
    210,009.64/289,768.26 = 125,154.76/x
  3. Step 3: Cross multiply
    210,009.64x = 289,768.26 × 125,154.76
  4. Step 4: Simplify right side
    210,009.64x = 36,265,877,035.92
  5. Step 5: Solve for x
    x = 36,265,877,035.92/210,009.64
  6. Step 6: Final answer
    x = 172,686.73

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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.