Home / 166,426.32-249,309.18-77,557.44

Finding the Fourth Proportional to 166,426.32, 249,309.18 and 77,557.44

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Solution

The fourth proportional to 166,426.32, 249,309.18 and 77,557.44 is: 116,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,426.32 : 249,309.18 = 77,557.44 : x
  2. Step 2: Convert to fraction form
    166,426.32/249,309.18 = 77,557.44/x
  3. Step 3: Cross multiply
    166,426.32x = 249,309.18 × 77,557.44
  4. Step 4: Simplify right side
    166,426.32x = 19,335,781,769.30
  5. Step 5: Solve for x
    x = 19,335,781,769.30/166,426.32
  6. Step 6: Final answer
    x = 116,182.23

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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.