Home / 109,111.60-163,740.30-49,916.80

Finding the Fourth Proportional to 109,111.60, 163,740.30 and 49,916.80

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Solution

The fourth proportional to 109,111.60, 163,740.30 and 49,916.80 is: 74,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.60 : 163,740.30 = 49,916.80 : x
  2. Step 2: Convert to fraction form
    109,111.60/163,740.30 = 49,916.80/x
  3. Step 3: Cross multiply
    109,111.60x = 163,740.30 × 49,916.80
  4. Step 4: Simplify right side
    109,111.60x = 8,173,391,807.04
  5. Step 5: Solve for x
    x = 8,173,391,807.04/109,111.60
  6. Step 6: Final answer
    x = 74,908.55

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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.