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Finding the Fourth Proportional to 161,064.84, 240,512.61 and 131,541.24

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Solution

The fourth proportional to 161,064.84, 240,512.61 and 131,541.24 is: 196,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,064.84 : 240,512.61 = 131,541.24 : x
  2. Step 2: Convert to fraction form
    161,064.84/240,512.61 = 131,541.24/x
  3. Step 3: Cross multiply
    161,064.84x = 240,512.61 × 131,541.24
  4. Step 4: Simplify right side
    161,064.84x = 31,637,326,955.04
  5. Step 5: Solve for x
    x = 31,637,326,955.04/161,064.84
  6. Step 6: Final answer
    x = 196,426.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.