Home / 238,098.09-328,581.75-130,671.93

Finding the Fourth Proportional to 238,098.09, 328,581.75 and 130,671.93

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Solution

The fourth proportional to 238,098.09, 328,581.75 and 130,671.93 is: 180,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,098.09 : 328,581.75 = 130,671.93 : x
  2. Step 2: Convert to fraction form
    238,098.09/328,581.75 = 130,671.93/x
  3. Step 3: Cross multiply
    238,098.09x = 328,581.75 × 130,671.93
  4. Step 4: Simplify right side
    238,098.09x = 42,936,411,435.28
  5. Step 5: Solve for x
    x = 42,936,411,435.28/238,098.09
  6. Step 6: Final answer
    x = 180,330.77

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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.