Home / 149,528.10-223,980.60-74,420.49

Finding the Fourth Proportional to 149,528.10, 223,980.60 and 74,420.49

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Solution

The fourth proportional to 149,528.10, 223,980.60 and 74,420.49 is: 111,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,528.10 : 223,980.60 = 74,420.49 : x
  2. Step 2: Convert to fraction form
    149,528.10/223,980.60 = 74,420.49/x
  3. Step 3: Cross multiply
    149,528.10x = 223,980.60 × 74,420.49
  4. Step 4: Simplify right side
    149,528.10x = 16,668,746,002.49
  5. Step 5: Solve for x
    x = 16,668,746,002.49/149,528.10
  6. Step 6: Final answer
    x = 111,475.68

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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.