Home / 166,075.80-249,113.70-91,426.20

Finding the Fourth Proportional to 166,075.80, 249,113.70 and 91,426.20

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Solution

The fourth proportional to 166,075.80, 249,113.70 and 91,426.20 is: 137,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,075.80 : 249,113.70 = 91,426.20 : x
  2. Step 2: Convert to fraction form
    166,075.80/249,113.70 = 91,426.20/x
  3. Step 3: Cross multiply
    166,075.80x = 249,113.70 × 91,426.20
  4. Step 4: Simplify right side
    166,075.80x = 22,775,518,958.94
  5. Step 5: Solve for x
    x = 22,775,518,958.94/166,075.80
  6. Step 6: Final answer
    x = 137,139.30

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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.