Home / 131,938.80-182,075.10-71,510.94

Finding the Fourth Proportional to 131,938.80, 182,075.10 and 71,510.94

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Solution

The fourth proportional to 131,938.80, 182,075.10 and 71,510.94 is: 98,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,938.80 : 182,075.10 = 71,510.94 : x
  2. Step 2: Convert to fraction form
    131,938.80/182,075.10 = 71,510.94/x
  3. Step 3: Cross multiply
    131,938.80x = 182,075.10 × 71,510.94
  4. Step 4: Simplify right side
    131,938.80x = 13,020,361,551.59
  5. Step 5: Solve for x
    x = 13,020,361,551.59/131,938.80
  6. Step 6: Final answer
    x = 98,684.86

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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.