Home / 151,282.30-226,923.45-138,840.70

Finding the Fourth Proportional to 151,282.30, 226,923.45 and 138,840.70

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Solution

The fourth proportional to 151,282.30, 226,923.45 and 138,840.70 is: 208,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,282.30 : 226,923.45 = 138,840.70 : x
  2. Step 2: Convert to fraction form
    151,282.30/226,923.45 = 138,840.70/x
  3. Step 3: Cross multiply
    151,282.30x = 226,923.45 × 138,840.70
  4. Step 4: Simplify right side
    151,282.30x = 31,506,210,644.42
  5. Step 5: Solve for x
    x = 31,506,210,644.42/151,282.30
  6. Step 6: Final answer
    x = 208,261.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.