Home / 166,259.84-249,153.98-128,644.81

Finding the Fourth Proportional to 166,259.84, 249,153.98 and 128,644.81

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Solution

The fourth proportional to 166,259.84, 249,153.98 and 128,644.81 is: 192,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,259.84 : 249,153.98 = 128,644.81 : x
  2. Step 2: Convert to fraction form
    166,259.84/249,153.98 = 128,644.81/x
  3. Step 3: Cross multiply
    166,259.84x = 249,153.98 × 128,644.81
  4. Step 4: Simplify right side
    166,259.84x = 32,052,365,151.73
  5. Step 5: Solve for x
    x = 32,052,365,151.73/166,259.84
  6. Step 6: Final answer
    x = 192,784.77

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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.