Home / 149,339.12-223,930.91-70,432.16

Finding the Fourth Proportional to 149,339.12, 223,930.91 and 70,432.16

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Solution

The fourth proportional to 149,339.12, 223,930.91 and 70,432.16 is: 105,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,339.12 : 223,930.91 = 70,432.16 : x
  2. Step 2: Convert to fraction form
    149,339.12/223,930.91 = 70,432.16/x
  3. Step 3: Cross multiply
    149,339.12x = 223,930.91 × 70,432.16
  4. Step 4: Simplify right side
    149,339.12x = 15,771,937,329.90
  5. Step 5: Solve for x
    x = 15,771,937,329.90/149,339.12
  6. Step 6: Final answer
    x = 105,611.56

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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.