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Finding the Fourth Proportional to 170,123.88, 234,769.02 and 93,641.34

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Solution

The fourth proportional to 170,123.88, 234,769.02 and 93,641.34 is: 129,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,123.88 : 234,769.02 = 93,641.34 : x
  2. Step 2: Convert to fraction form
    170,123.88/234,769.02 = 93,641.34/x
  3. Step 3: Cross multiply
    170,123.88x = 234,769.02 × 93,641.34
  4. Step 4: Simplify right side
    170,123.88x = 21,984,085,623.29
  5. Step 5: Solve for x
    x = 21,984,085,623.29/170,123.88
  6. Step 6: Final answer
    x = 129,223.98

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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.