Home / 109,549.49-164,342.40-38,453.68

Finding the Fourth Proportional to 109,549.49, 164,342.40 and 38,453.68

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Solution

The fourth proportional to 109,549.49, 164,342.40 and 38,453.68 is: 57,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,549.49 : 164,342.40 = 38,453.68 : x
  2. Step 2: Convert to fraction form
    109,549.49/164,342.40 = 38,453.68/x
  3. Step 3: Cross multiply
    109,549.49x = 164,342.40 × 38,453.68
  4. Step 4: Simplify right side
    109,549.49x = 6,319,570,400.89
  5. Step 5: Solve for x
    x = 6,319,570,400.89/109,549.49
  6. Step 6: Final answer
    x = 57,686.90

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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.