Home / 90,457.38-124,838.88-50,184.12

Finding the Fourth Proportional to 90,457.38, 124,838.88 and 50,184.12

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Solution

The fourth proportional to 90,457.38, 124,838.88 and 50,184.12 is: 69,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.38 : 124,838.88 = 50,184.12 : x
  2. Step 2: Convert to fraction form
    90,457.38/124,838.88 = 50,184.12/x
  3. Step 3: Cross multiply
    90,457.38x = 124,838.88 × 50,184.12
  4. Step 4: Simplify right side
    90,457.38x = 6,264,929,334.59
  5. Step 5: Solve for x
    x = 6,264,929,334.59/90,457.38
  6. Step 6: Final answer
    x = 69,258.35

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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.