Home / 152,840.05-210,772.69-98,336.59

Finding the Fourth Proportional to 152,840.05, 210,772.69 and 98,336.59

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Solution

The fourth proportional to 152,840.05, 210,772.69 and 98,336.59 is: 135,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840.05 : 210,772.69 = 98,336.59 : x
  2. Step 2: Convert to fraction form
    152,840.05/210,772.69 = 98,336.59/x
  3. Step 3: Cross multiply
    152,840.05x = 210,772.69 × 98,336.59
  4. Step 4: Simplify right side
    152,840.05x = 20,726,669,000.38
  5. Step 5: Solve for x
    x = 20,726,669,000.38/152,840.05
  6. Step 6: Final answer
    x = 135,610.19

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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.