Home / 154,125.91-212,695.23-90,464.77

Finding the Fourth Proportional to 154,125.91, 212,695.23 and 90,464.77

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Solution

The fourth proportional to 154,125.91, 212,695.23 and 90,464.77 is: 124,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,125.91 : 212,695.23 = 90,464.77 : x
  2. Step 2: Convert to fraction form
    154,125.91/212,695.23 = 90,464.77/x
  3. Step 3: Cross multiply
    154,125.91x = 212,695.23 × 90,464.77
  4. Step 4: Simplify right side
    154,125.91x = 19,241,425,062.05
  5. Step 5: Solve for x
    x = 19,241,425,062.05/154,125.91
  6. Step 6: Final answer
    x = 124,842.25

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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.