Home / 90,465.02-124,840.84-50,178.86

Finding the Fourth Proportional to 90,465.02, 124,840.84 and 50,178.86

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Solution

The fourth proportional to 90,465.02, 124,840.84 and 50,178.86 is: 69,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,465.02 : 124,840.84 = 50,178.86 : x
  2. Step 2: Convert to fraction form
    90,465.02/124,840.84 = 50,178.86/x
  3. Step 3: Cross multiply
    90,465.02x = 124,840.84 × 50,178.86
  4. Step 4: Simplify right side
    90,465.02x = 6,264,371,032.64
  5. Step 5: Solve for x
    x = 6,264,371,032.64/90,465.02
  6. Step 6: Final answer
    x = 69,246.33

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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.