Home / 152,502.31-228,754.05-85,075.87

Finding the Fourth Proportional to 152,502.31, 228,754.05 and 85,075.87

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Solution

The fourth proportional to 152,502.31, 228,754.05 and 85,075.87 is: 127,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,502.31 : 228,754.05 = 85,075.87 : x
  2. Step 2: Convert to fraction form
    152,502.31/228,754.05 = 85,075.87/x
  3. Step 3: Cross multiply
    152,502.31x = 228,754.05 × 85,075.87
  4. Step 4: Simplify right side
    152,502.31x = 19,461,449,819.77
  5. Step 5: Solve for x
    x = 19,461,449,819.77/152,502.31
  6. Step 6: Final answer
    x = 127,614.13

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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.