Home / 145,587.28-200,908.04-81,925.04

Finding the Fourth Proportional to 145,587.28, 200,908.04 and 81,925.04

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Solution

The fourth proportional to 145,587.28, 200,908.04 and 81,925.04 is: 113,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587.28 : 200,908.04 = 81,925.04 : x
  2. Step 2: Convert to fraction form
    145,587.28/200,908.04 = 81,925.04/x
  3. Step 3: Cross multiply
    145,587.28x = 200,908.04 × 81,925.04
  4. Step 4: Simplify right side
    145,587.28x = 16,459,399,213.32
  5. Step 5: Solve for x
    x = 16,459,399,213.32/145,587.28
  6. Step 6: Final answer
    x = 113,055.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.