Home / 90,423.04-124,782.48-50,136.88

Finding the Fourth Proportional to 90,423.04, 124,782.48 and 50,136.88

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Solution

The fourth proportional to 90,423.04, 124,782.48 and 50,136.88 is: 69,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,423.04 : 124,782.48 = 50,136.88 : x
  2. Step 2: Convert to fraction form
    90,423.04/124,782.48 = 50,136.88/x
  3. Step 3: Cross multiply
    90,423.04x = 124,782.48 × 50,136.88
  4. Step 4: Simplify right side
    90,423.04x = 6,256,204,225.86
  5. Step 5: Solve for x
    x = 6,256,204,225.86/90,423.04
  6. Step 6: Final answer
    x = 69,188.17

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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.