Home / 102,141.71-153,213.65-31,075.92

Finding the Fourth Proportional to 102,141.71, 153,213.65 and 31,075.92

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Solution

The fourth proportional to 102,141.71, 153,213.65 and 31,075.92 is: 46,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,141.71 : 153,213.65 = 31,075.92 : x
  2. Step 2: Convert to fraction form
    102,141.71/153,213.65 = 31,075.92/x
  3. Step 3: Cross multiply
    102,141.71x = 153,213.65 × 31,075.92
  4. Step 4: Simplify right side
    102,141.71x = 4,761,254,974.93
  5. Step 5: Solve for x
    x = 4,761,254,974.93/102,141.71
  6. Step 6: Final answer
    x = 46,614.21

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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.