Home / 166,274.64-249,237.81-77,454.90

Finding the Fourth Proportional to 166,274.64, 249,237.81 and 77,454.90

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Solution

The fourth proportional to 166,274.64, 249,237.81 and 77,454.90 is: 116,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,274.64 : 249,237.81 = 77,454.90 : x
  2. Step 2: Convert to fraction form
    166,274.64/249,237.81 = 77,454.90/x
  3. Step 3: Cross multiply
    166,274.64x = 249,237.81 × 77,454.90
  4. Step 4: Simplify right side
    166,274.64x = 19,304,689,649.77
  5. Step 5: Solve for x
    x = 19,304,689,649.77/166,274.64
  6. Step 6: Final answer
    x = 116,101.23

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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.