Home / 145,721.70-201,092.02-82,058.13

Finding the Fourth Proportional to 145,721.70, 201,092.02 and 82,058.13

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Solution

The fourth proportional to 145,721.70, 201,092.02 and 82,058.13 is: 113,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,721.70 : 201,092.02 = 82,058.13 : x
  2. Step 2: Convert to fraction form
    145,721.70/201,092.02 = 82,058.13/x
  3. Step 3: Cross multiply
    145,721.70x = 201,092.02 × 82,058.13
  4. Step 4: Simplify right side
    145,721.70x = 16,501,234,913.98
  5. Step 5: Solve for x
    x = 16,501,234,913.98/145,721.70
  6. Step 6: Final answer
    x = 113,238.01

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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.