Home / 109,185.71-163,681.09-42,610.32

Finding the Fourth Proportional to 109,185.71, 163,681.09 and 42,610.32

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Solution

The fourth proportional to 109,185.71, 163,681.09 and 42,610.32 is: 63,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,185.71 : 163,681.09 = 42,610.32 : x
  2. Step 2: Convert to fraction form
    109,185.71/163,681.09 = 42,610.32/x
  3. Step 3: Cross multiply
    109,185.71x = 163,681.09 × 42,610.32
  4. Step 4: Simplify right side
    109,185.71x = 6,974,503,516.32
  5. Step 5: Solve for x
    x = 6,974,503,516.32/109,185.71
  6. Step 6: Final answer
    x = 63,877.44

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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.