Home / 211,029.04-316,543.48-70,787.20

Finding the Fourth Proportional to 211,029.04, 316,543.48 and 70,787.20

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Solution

The fourth proportional to 211,029.04, 316,543.48 and 70,787.20 is: 106,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,029.04 : 316,543.48 = 70,787.20 : x
  2. Step 2: Convert to fraction form
    211,029.04/316,543.48 = 70,787.20/x
  3. Step 3: Cross multiply
    211,029.04x = 316,543.48 × 70,787.20
  4. Step 4: Simplify right side
    211,029.04x = 22,407,226,627.46
  5. Step 5: Solve for x
    x = 22,407,226,627.46/211,029.04
  6. Step 6: Final answer
    x = 106,180.77

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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.