Home / 145,610.73-200,909.57-81,925.29

Finding the Fourth Proportional to 145,610.73, 200,909.57 and 81,925.29

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Solution

The fourth proportional to 145,610.73, 200,909.57 and 81,925.29 is: 113,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.73 : 200,909.57 = 81,925.29 : x
  2. Step 2: Convert to fraction form
    145,610.73/200,909.57 = 81,925.29/x
  3. Step 3: Cross multiply
    145,610.73x = 200,909.57 × 81,925.29
  4. Step 4: Simplify right side
    145,610.73x = 16,459,574,376.40
  5. Step 5: Solve for x
    x = 16,459,574,376.40/145,610.73
  6. Step 6: Final answer
    x = 113,038.20

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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.