Home / 102,061.14-153,057.66-42,885.78

Finding the Fourth Proportional to 102,061.14, 153,057.66 and 42,885.78

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Solution

The fourth proportional to 102,061.14, 153,057.66 and 42,885.78 is: 64,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,061.14 : 153,057.66 = 42,885.78 : x
  2. Step 2: Convert to fraction form
    102,061.14/153,057.66 = 42,885.78/x
  3. Step 3: Cross multiply
    102,061.14x = 153,057.66 × 42,885.78
  4. Step 4: Simplify right side
    102,061.14x = 6,563,997,134.07
  5. Step 5: Solve for x
    x = 6,563,997,134.07/102,061.14
  6. Step 6: Final answer
    x = 64,314.36

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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.