Home / 94,939.95-142,285.34-69,862.58

Finding the Fourth Proportional to 94,939.95, 142,285.34 and 69,862.58

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Solution

The fourth proportional to 94,939.95, 142,285.34 and 69,862.58 is: 104,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,939.95 : 142,285.34 = 69,862.58 : x
  2. Step 2: Convert to fraction form
    94,939.95/142,285.34 = 69,862.58/x
  3. Step 3: Cross multiply
    94,939.95x = 142,285.34 × 69,862.58
  4. Step 4: Simplify right side
    94,939.95x = 9,940,420,411.81
  5. Step 5: Solve for x
    x = 9,940,420,411.81/94,939.95
  6. Step 6: Final answer
    x = 104,702.19

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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.