Home / 166,420.50-249,630.75-55,612.50

Finding the Fourth Proportional to 166,420.50, 249,630.75 and 55,612.50

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Solution

The fourth proportional to 166,420.50, 249,630.75 and 55,612.50 is: 83,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,420.50 : 249,630.75 = 55,612.50 : x
  2. Step 2: Convert to fraction form
    166,420.50/249,630.75 = 55,612.50/x
  3. Step 3: Cross multiply
    166,420.50x = 249,630.75 × 55,612.50
  4. Step 4: Simplify right side
    166,420.50x = 13,882,590,084.38
  5. Step 5: Solve for x
    x = 13,882,590,084.38/166,420.50
  6. Step 6: Final answer
    x = 83,418.75

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1.5x scale

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.