Home / 109,875.90-164,813.85-102,002.70

Finding the Fourth Proportional to 109,875.90, 164,813.85 and 102,002.70

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Solution

The fourth proportional to 109,875.90, 164,813.85 and 102,002.70 is: 153,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.90 : 164,813.85 = 102,002.70 : x
  2. Step 2: Convert to fraction form
    109,875.90/164,813.85 = 102,002.70/x
  3. Step 3: Cross multiply
    109,875.90x = 164,813.85 × 102,002.70
  4. Step 4: Simplify right side
    109,875.90x = 16,811,457,697.40
  5. Step 5: Solve for x
    x = 16,811,457,697.40/109,875.90
  6. Step 6: Final answer
    x = 153,004.05

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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.