Home / 123,569.19-170,423.96-75,788.91

Finding the Fourth Proportional to 123,569.19, 170,423.96 and 75,788.91

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Solution

The fourth proportional to 123,569.19, 170,423.96 and 75,788.91 is: 104,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,569.19 : 170,423.96 = 75,788.91 : x
  2. Step 2: Convert to fraction form
    123,569.19/170,423.96 = 75,788.91/x
  3. Step 3: Cross multiply
    123,569.19x = 170,423.96 × 75,788.91
  4. Step 4: Simplify right side
    123,569.19x = 12,916,245,787.34
  5. Step 5: Solve for x
    x = 12,916,245,787.34/123,569.19
  6. Step 6: Final answer
    x = 104,526.43

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1.5x scale

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.