Home / 94,982.16-142,434.30-42,355.68

Finding the Fourth Proportional to 94,982.16, 142,434.30 and 42,355.68

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Solution

The fourth proportional to 94,982.16, 142,434.30 and 42,355.68 is: 63,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,982.16 : 142,434.30 = 42,355.68 : x
  2. Step 2: Convert to fraction form
    94,982.16/142,434.30 = 42,355.68/x
  3. Step 3: Cross multiply
    94,982.16x = 142,434.30 × 42,355.68
  4. Step 4: Simplify right side
    94,982.16x = 6,032,901,631.82
  5. Step 5: Solve for x
    x = 6,032,901,631.82/94,982.16
  6. Step 6: Final answer
    x = 63,516.16

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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.