Home / 150,880.67-208,207.85-90,439.57

Finding the Fourth Proportional to 150,880.67, 208,207.85 and 90,439.57

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Solution

The fourth proportional to 150,880.67, 208,207.85 and 90,439.57 is: 124,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,880.67 : 208,207.85 = 90,439.57 : x
  2. Step 2: Convert to fraction form
    150,880.67/208,207.85 = 90,439.57/x
  3. Step 3: Cross multiply
    150,880.67x = 208,207.85 × 90,439.57
  4. Step 4: Simplify right side
    150,880.67x = 18,830,228,424.62
  5. Step 5: Solve for x
    x = 18,830,228,424.62/150,880.67
  6. Step 6: Final answer
    x = 124,802.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.