Home / 131,435.84-181,314.08-88,979.52

Finding the Fourth Proportional to 131,435.84, 181,314.08 and 88,979.52

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Solution

The fourth proportional to 131,435.84, 181,314.08 and 88,979.52 is: 122,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435.84 : 181,314.08 = 88,979.52 : x
  2. Step 2: Convert to fraction form
    131,435.84/181,314.08 = 88,979.52/x
  3. Step 3: Cross multiply
    131,435.84x = 181,314.08 × 88,979.52
  4. Step 4: Simplify right side
    131,435.84x = 16,133,239,807.64
  5. Step 5: Solve for x
    x = 16,133,239,807.64/131,435.84
  6. Step 6: Final answer
    x = 122,746.12

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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.