Home / 166,424.63-249,307.07-77,555.88

Finding the Fourth Proportional to 166,424.63, 249,307.07 and 77,555.88

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Solution

The fourth proportional to 166,424.63, 249,307.07 and 77,555.88 is: 116,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,424.63 : 249,307.07 = 77,555.88 : x
  2. Step 2: Convert to fraction form
    166,424.63/249,307.07 = 77,555.88/x
  3. Step 3: Cross multiply
    166,424.63x = 249,307.07 × 77,555.88
  4. Step 4: Simplify right side
    166,424.63x = 19,335,228,816.29
  5. Step 5: Solve for x
    x = 19,335,228,816.29/166,424.63
  6. Step 6: Final answer
    x = 116,180.10

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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.