Home / 166,091.47-249,312.57-77,430.49

Finding the Fourth Proportional to 166,091.47, 249,312.57 and 77,430.49

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Solution

The fourth proportional to 166,091.47, 249,312.57 and 77,430.49 is: 116,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,091.47 : 249,312.57 = 77,430.49 : x
  2. Step 2: Convert to fraction form
    166,091.47/249,312.57 = 77,430.49/x
  3. Step 3: Cross multiply
    166,091.47x = 249,312.57 × 77,430.49
  4. Step 4: Simplify right side
    166,091.47x = 19,304,394,458.26
  5. Step 5: Solve for x
    x = 19,304,394,458.26/166,091.47
  6. Step 6: Final answer
    x = 116,227.49

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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.