Home / 166,598.04-249,378.78-90,506.31

Finding the Fourth Proportional to 166,598.04, 249,378.78 and 90,506.31

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Solution

The fourth proportional to 166,598.04, 249,378.78 and 90,506.31 is: 135,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,598.04 : 249,378.78 = 90,506.31 : x
  2. Step 2: Convert to fraction form
    166,598.04/249,378.78 = 90,506.31/x
  3. Step 3: Cross multiply
    166,598.04x = 249,378.78 × 90,506.31
  4. Step 4: Simplify right side
    166,598.04x = 22,570,353,170.10
  5. Step 5: Solve for x
    x = 22,570,353,170.10/166,598.04
  6. Step 6: Final answer
    x = 135,477.90

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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.