Home / 166,531.40-249,710.70-61,296.20

Finding the Fourth Proportional to 166,531.40, 249,710.70 and 61,296.20

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Solution

The fourth proportional to 166,531.40, 249,710.70 and 61,296.20 is: 91,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.40 : 249,710.70 = 61,296.20 : x
  2. Step 2: Convert to fraction form
    166,531.40/249,710.70 = 61,296.20/x
  3. Step 3: Cross multiply
    166,531.40x = 249,710.70 × 61,296.20
  4. Step 4: Simplify right side
    166,531.40x = 15,306,317,009.34
  5. Step 5: Solve for x
    x = 15,306,317,009.34/166,531.40
  6. Step 6: Final answer
    x = 91,912.50

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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.