Home / 145,092.07-200,246.61-81,433.36

Finding the Fourth Proportional to 145,092.07, 200,246.61 and 81,433.36

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Solution

The fourth proportional to 145,092.07, 200,246.61 and 81,433.36 is: 112,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,092.07 : 200,246.61 = 81,433.36 : x
  2. Step 2: Convert to fraction form
    145,092.07/200,246.61 = 81,433.36/x
  3. Step 3: Cross multiply
    145,092.07x = 200,246.61 × 81,433.36
  4. Step 4: Simplify right side
    145,092.07x = 16,306,754,280.91
  5. Step 5: Solve for x
    x = 16,306,754,280.91/145,092.07
  6. Step 6: Final answer
    x = 112,389.01

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1.5x scale

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.