Home / 131,282.19-181,173.02-80,294.00

Finding the Fourth Proportional to 131,282.19, 181,173.02 and 80,294.00

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Solution

The fourth proportional to 131,282.19, 181,173.02 and 80,294.00 is: 110,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,282.19 : 181,173.02 = 80,294.00 : x
  2. Step 2: Convert to fraction form
    131,282.19/181,173.02 = 80,294.00/x
  3. Step 3: Cross multiply
    131,282.19x = 181,173.02 × 80,294.00
  4. Step 4: Simplify right side
    131,282.19x = 14,547,105,528.23
  5. Step 5: Solve for x
    x = 14,547,105,528.23/131,282.19
  6. Step 6: Final answer
    x = 110,807.91

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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.