Home / 176,146.94-243,126.02-108,180.12

Finding the Fourth Proportional to 176,146.94, 243,126.02 and 108,180.12

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Solution

The fourth proportional to 176,146.94, 243,126.02 and 108,180.12 is: 149,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,146.94 : 243,126.02 = 108,180.12 : x
  2. Step 2: Convert to fraction form
    176,146.94/243,126.02 = 108,180.12/x
  3. Step 3: Cross multiply
    176,146.94x = 243,126.02 × 108,180.12
  4. Step 4: Simplify right side
    176,146.94x = 26,301,402,018.72
  5. Step 5: Solve for x
    x = 26,301,402,018.72/176,146.94
  6. Step 6: Final answer
    x = 149,315.12

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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.