Home / 166,479.93-249,756.87-77,685.00

Finding the Fourth Proportional to 166,479.93, 249,756.87 and 77,685.00

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Solution

The fourth proportional to 166,479.93, 249,756.87 and 77,685.00 is: 116,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,479.93 : 249,756.87 = 77,685.00 : x
  2. Step 2: Convert to fraction form
    166,479.93/249,756.87 = 77,685.00/x
  3. Step 3: Cross multiply
    166,479.93x = 249,756.87 × 77,685.00
  4. Step 4: Simplify right side
    166,479.93x = 19,402,361,800.68
  5. Step 5: Solve for x
    x = 19,402,361,800.68/166,479.93
  6. Step 6: Final answer
    x = 116,544.75

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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.