Home / 109,877.40-164,816.10-39,740.31

Finding the Fourth Proportional to 109,877.40, 164,816.10 and 39,740.31

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Solution

The fourth proportional to 109,877.40, 164,816.10 and 39,740.31 is: 59,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,877.40 : 164,816.10 = 39,740.31 : x
  2. Step 2: Convert to fraction form
    109,877.40/164,816.10 = 39,740.31/x
  3. Step 3: Cross multiply
    109,877.40x = 164,816.10 × 39,740.31
  4. Step 4: Simplify right side
    109,877.40x = 6,549,842,906.99
  5. Step 5: Solve for x
    x = 6,549,842,906.99/109,877.40
  6. Step 6: Final answer
    x = 59,610.47

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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.