Home / 166,510.89-249,749.93-54,186.57

Finding the Fourth Proportional to 166,510.89, 249,749.93 and 54,186.57

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Solution

The fourth proportional to 166,510.89, 249,749.93 and 54,186.57 is: 81,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,510.89 : 249,749.93 = 54,186.57 : x
  2. Step 2: Convert to fraction form
    166,510.89/249,749.93 = 54,186.57/x
  3. Step 3: Cross multiply
    166,510.89x = 249,749.93 × 54,186.57
  4. Step 4: Simplify right side
    166,510.89x = 13,533,092,199.91
  5. Step 5: Solve for x
    x = 13,533,092,199.91/166,510.89
  6. Step 6: Final answer
    x = 81,274.52

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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.