Home / 154,156.16-212,769.81-93,714

Finding the Fourth Proportional to 154,156.16, 212,769.81 and 93,714

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Solution

The fourth proportional to 154,156.16, 212,769.81 and 93,714 is: 129,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,156.16 : 212,769.81 = 93,714 : x
  2. Step 2: Convert to fraction form
    154,156.16/212,769.81 = 93,714/x
  3. Step 3: Cross multiply
    154,156.16x = 212,769.81 × 93,714
  4. Step 4: Simplify right side
    154,156.16x = 19,939,509,974.34
  5. Step 5: Solve for x
    x = 19,939,509,974.34/154,156.16
  6. Step 6: Final answer
    x = 129,346.18

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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.