Home / 109,305.02-163,957.53-30,425.40

Finding the Fourth Proportional to 109,305.02, 163,957.53 and 30,425.40

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Solution

The fourth proportional to 109,305.02, 163,957.53 and 30,425.40 is: 45,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,305.02 : 163,957.53 = 30,425.40 : x
  2. Step 2: Convert to fraction form
    109,305.02/163,957.53 = 30,425.40/x
  3. Step 3: Cross multiply
    109,305.02x = 163,957.53 × 30,425.40
  4. Step 4: Simplify right side
    109,305.02x = 4,988,473,433.26
  5. Step 5: Solve for x
    x = 4,988,473,433.26/109,305.02
  6. Step 6: Final answer
    x = 45,638.10

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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.