Home / 149,407.23-224,176.84-78,312.85

Finding the Fourth Proportional to 149,407.23, 224,176.84 and 78,312.85

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Solution

The fourth proportional to 149,407.23, 224,176.84 and 78,312.85 is: 117,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,407.23 : 224,176.84 = 78,312.85 : x
  2. Step 2: Convert to fraction form
    149,407.23/224,176.84 = 78,312.85/x
  3. Step 3: Cross multiply
    149,407.23x = 224,176.84 × 78,312.85
  4. Step 4: Simplify right side
    149,407.23x = 17,555,926,292.39
  5. Step 5: Solve for x
    x = 17,555,926,292.39/149,407.23
  6. Step 6: Final answer
    x = 117,503.86

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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.