Home / 169,250.81-253,875.74-42,890.69

Finding the Fourth Proportional to 169,250.81, 253,875.74 and 42,890.69

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Solution

The fourth proportional to 169,250.81, 253,875.74 and 42,890.69 is: 64,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,250.81 : 253,875.74 = 42,890.69 : x
  2. Step 2: Convert to fraction form
    169,250.81/253,875.74 = 42,890.69/x
  3. Step 3: Cross multiply
    169,250.81x = 253,875.74 × 42,890.69
  4. Step 4: Simplify right side
    169,250.81x = 10,888,904,179.03
  5. Step 5: Solve for x
    x = 10,888,904,179.03/169,250.81
  6. Step 6: Final answer
    x = 64,335.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.