Home / 166,521.60-249,782.40-163,756.80

Finding the Fourth Proportional to 166,521.60, 249,782.40 and 163,756.80

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Solution

The fourth proportional to 166,521.60, 249,782.40 and 163,756.80 is: 245,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,521.60 : 249,782.40 = 163,756.80 : x
  2. Step 2: Convert to fraction form
    166,521.60/249,782.40 = 163,756.80/x
  3. Step 3: Cross multiply
    166,521.60x = 249,782.40 × 163,756.80
  4. Step 4: Simplify right side
    166,521.60x = 40,903,566,520.32
  5. Step 5: Solve for x
    x = 40,903,566,520.32/166,521.60
  6. Step 6: Final answer
    x = 245,635.20

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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.