Home / 112,376.28-168,570.90-42,256.20

Finding the Fourth Proportional to 112,376.28, 168,570.90 and 42,256.20

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Solution

The fourth proportional to 112,376.28, 168,570.90 and 42,256.20 is: 63,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.28 : 168,570.90 = 42,256.20 : x
  2. Step 2: Convert to fraction form
    112,376.28/168,570.90 = 42,256.20/x
  3. Step 3: Cross multiply
    112,376.28x = 168,570.90 × 42,256.20
  4. Step 4: Simplify right side
    112,376.28x = 7,123,165,664.58
  5. Step 5: Solve for x
    x = 7,123,165,664.58/112,376.28
  6. Step 6: Final answer
    x = 63,386.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.