Home / 166,421.80-249,632.70-163,311.40

Finding the Fourth Proportional to 166,421.80, 249,632.70 and 163,311.40

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Solution

The fourth proportional to 166,421.80, 249,632.70 and 163,311.40 is: 244,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,421.80 : 249,632.70 = 163,311.40 : x
  2. Step 2: Convert to fraction form
    166,421.80/249,632.70 = 163,311.40/x
  3. Step 3: Cross multiply
    166,421.80x = 249,632.70 × 163,311.40
  4. Step 4: Simplify right side
    166,421.80x = 40,767,865,722.78
  5. Step 5: Solve for x
    x = 40,767,865,722.78/166,421.80
  6. Step 6: Final answer
    x = 244,967.10

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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.