Home / 138,298.50-207,478.96-42,244.32

Finding the Fourth Proportional to 138,298.50, 207,478.96 and 42,244.32

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Solution

The fourth proportional to 138,298.50, 207,478.96 and 42,244.32 is: 63,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,298.50 : 207,478.96 = 42,244.32 : x
  2. Step 2: Convert to fraction form
    138,298.50/207,478.96 = 42,244.32/x
  3. Step 3: Cross multiply
    138,298.50x = 207,478.96 × 42,244.32
  4. Step 4: Simplify right side
    138,298.50x = 8,764,807,579.51
  5. Step 5: Solve for x
    x = 8,764,807,579.51/138,298.50
  6. Step 6: Final answer
    x = 63,376.01

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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.