Home / 154,449.02-213,114.95-86,468.85

Finding the Fourth Proportional to 154,449.02, 213,114.95 and 86,468.85

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Solution

The fourth proportional to 154,449.02, 213,114.95 and 86,468.85 is: 119,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,449.02 : 213,114.95 = 86,468.85 : x
  2. Step 2: Convert to fraction form
    154,449.02/213,114.95 = 86,468.85/x
  3. Step 3: Cross multiply
    154,449.02x = 213,114.95 × 86,468.85
  4. Step 4: Simplify right side
    154,449.02x = 18,427,805,435.30
  5. Step 5: Solve for x
    x = 18,427,805,435.30/154,449.02
  6. Step 6: Final answer
    x = 119,313.19

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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.