Home / 243,476.16-336,010.08-136,048.80

Finding the Fourth Proportional to 243,476.16, 336,010.08 and 136,048.80

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Solution

The fourth proportional to 243,476.16, 336,010.08 and 136,048.80 is: 187,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,476.16 : 336,010.08 = 136,048.80 : x
  2. Step 2: Convert to fraction form
    243,476.16/336,010.08 = 136,048.80/x
  3. Step 3: Cross multiply
    243,476.16x = 336,010.08 × 136,048.80
  4. Step 4: Simplify right side
    243,476.16x = 45,713,768,171.90
  5. Step 5: Solve for x
    x = 45,713,768,171.90/243,476.16
  6. Step 6: Final answer
    x = 187,754.60

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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.