Home / 152,377.00-210,268.81-87,800.36

Finding the Fourth Proportional to 152,377.00, 210,268.81 and 87,800.36

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Solution

The fourth proportional to 152,377.00, 210,268.81 and 87,800.36 is: 121,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,377.00 : 210,268.81 = 87,800.36 : x
  2. Step 2: Convert to fraction form
    152,377.00/210,268.81 = 87,800.36/x
  3. Step 3: Cross multiply
    152,377.00x = 210,268.81 × 87,800.36
  4. Step 4: Simplify right side
    152,377.00x = 18,461,676,273.18
  5. Step 5: Solve for x
    x = 18,461,676,273.18/152,377.00
  6. Step 6: Final answer
    x = 121,157.90

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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.