Home / 132,988.32-183,547.62-79,276.86

Finding the Fourth Proportional to 132,988.32, 183,547.62 and 79,276.86

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Solution

The fourth proportional to 132,988.32, 183,547.62 and 79,276.86 is: 109,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988.32 : 183,547.62 = 79,276.86 : x
  2. Step 2: Convert to fraction form
    132,988.32/183,547.62 = 79,276.86/x
  3. Step 3: Cross multiply
    132,988.32x = 183,547.62 × 79,276.86
  4. Step 4: Simplify right side
    132,988.32x = 14,551,078,974.07
  5. Step 5: Solve for x
    x = 14,551,078,974.07/132,988.32
  6. Step 6: Final answer
    x = 109,416.22

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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.