Home / 166,424.40-249,636.60-103,438.80

Finding the Fourth Proportional to 166,424.40, 249,636.60 and 103,438.80

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Solution

The fourth proportional to 166,424.40, 249,636.60 and 103,438.80 is: 155,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,424.40 : 249,636.60 = 103,438.80 : x
  2. Step 2: Convert to fraction form
    166,424.40/249,636.60 = 103,438.80/x
  3. Step 3: Cross multiply
    166,424.40x = 249,636.60 × 103,438.80
  4. Step 4: Simplify right side
    166,424.40x = 25,822,110,340.08
  5. Step 5: Solve for x
    x = 25,822,110,340.08/166,424.40
  6. Step 6: Final answer
    x = 155,158.20

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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.