Home / 109,715.10-164,572.65-43,133.10

Finding the Fourth Proportional to 109,715.10, 164,572.65 and 43,133.10

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Solution

The fourth proportional to 109,715.10, 164,572.65 and 43,133.10 is: 64,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.10 : 164,572.65 = 43,133.10 : x
  2. Step 2: Convert to fraction form
    109,715.10/164,572.65 = 43,133.10/x
  3. Step 3: Cross multiply
    109,715.10x = 164,572.65 × 43,133.10
  4. Step 4: Simplify right side
    109,715.10x = 7,098,528,569.72
  5. Step 5: Solve for x
    x = 7,098,528,569.72/109,715.10
  6. Step 6: Final answer
    x = 64,699.65

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1.5x scale

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.