Home / 109,430.70-164,146.05-93,684.30

Finding the Fourth Proportional to 109,430.70, 164,146.05 and 93,684.30

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Solution

The fourth proportional to 109,430.70, 164,146.05 and 93,684.30 is: 140,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.70 : 164,146.05 = 93,684.30 : x
  2. Step 2: Convert to fraction form
    109,430.70/164,146.05 = 93,684.30/x
  3. Step 3: Cross multiply
    109,430.70x = 164,146.05 × 93,684.30
  4. Step 4: Simplify right side
    109,430.70x = 15,377,907,792.02
  5. Step 5: Solve for x
    x = 15,377,907,792.02/109,430.70
  6. Step 6: Final answer
    x = 140,526.45

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1.5x scale

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.