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Finding the Fourth Proportional to 152,305.01, 210,236.12 and 88,642.81

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Solution

The fourth proportional to 152,305.01, 210,236.12 and 88,642.81 is: 122,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,305.01 : 210,236.12 = 88,642.81 : x
  2. Step 2: Convert to fraction form
    152,305.01/210,236.12 = 88,642.81/x
  3. Step 3: Cross multiply
    152,305.01x = 210,236.12 × 88,642.81
  4. Step 4: Simplify right side
    152,305.01x = 18,635,919,534.36
  5. Step 5: Solve for x
    x = 18,635,919,534.36/152,305.01
  6. Step 6: Final answer
    x = 122,359.20

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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.