Home / 149,510.80-224,395.77-78,483.65

Finding the Fourth Proportional to 149,510.80, 224,395.77 and 78,483.65

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Solution

The fourth proportional to 149,510.80, 224,395.77 and 78,483.65 is: 117,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,510.80 : 224,395.77 = 78,483.65 : x
  2. Step 2: Convert to fraction form
    149,510.80/224,395.77 = 78,483.65/x
  3. Step 3: Cross multiply
    149,510.80x = 224,395.77 × 78,483.65
  4. Step 4: Simplify right side
    149,510.80x = 17,611,399,074.16
  5. Step 5: Solve for x
    x = 17,611,399,074.16/149,510.80
  6. Step 6: Final answer
    x = 117,793.49

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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.