Home / 198,075.90-297,142.10-64,966.58

Finding the Fourth Proportional to 198,075.90, 297,142.10 and 64,966.58

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Solution

The fourth proportional to 198,075.90, 297,142.10 and 64,966.58 is: 97,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,075.90 : 297,142.10 = 64,966.58 : x
  2. Step 2: Convert to fraction form
    198,075.90/297,142.10 = 64,966.58/x
  3. Step 3: Cross multiply
    198,075.90x = 297,142.10 × 64,966.58
  4. Step 4: Simplify right side
    198,075.90x = 19,304,306,011.02
  5. Step 5: Solve for x
    x = 19,304,306,011.02/198,075.90
  6. Step 6: Final answer
    x = 97,459.14

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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.