Home / 145,216.02-200,374.59-90,761.77

Finding the Fourth Proportional to 145,216.02, 200,374.59 and 90,761.77

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Solution

The fourth proportional to 145,216.02, 200,374.59 and 90,761.77 is: 125,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,216.02 : 200,374.59 = 90,761.77 : x
  2. Step 2: Convert to fraction form
    145,216.02/200,374.59 = 90,761.77/x
  3. Step 3: Cross multiply
    145,216.02x = 200,374.59 × 90,761.77
  4. Step 4: Simplify right side
    145,216.02x = 18,186,352,451.42
  5. Step 5: Solve for x
    x = 18,186,352,451.42/145,216.02
  6. Step 6: Final answer
    x = 125,236.54

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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.