Home / 102,374.10-141,363.54-64,197.90

Finding the Fourth Proportional to 102,374.10, 141,363.54 and 64,197.90

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Solution

The fourth proportional to 102,374.10, 141,363.54 and 64,197.90 is: 88,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,374.10 : 141,363.54 = 64,197.90 : x
  2. Step 2: Convert to fraction form
    102,374.10/141,363.54 = 64,197.90/x
  3. Step 3: Cross multiply
    102,374.10x = 141,363.54 × 64,197.90
  4. Step 4: Simplify right side
    102,374.10x = 9,075,242,404.57
  5. Step 5: Solve for x
    x = 9,075,242,404.57/102,374.10
  6. Step 6: Final answer
    x = 88,647.84

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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.