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Finding the Fourth Proportional to 109,155.68, 163,733.52 and 39,030.74

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Solution

The fourth proportional to 109,155.68, 163,733.52 and 39,030.74 is: 58,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155.68 : 163,733.52 = 39,030.74 : x
  2. Step 2: Convert to fraction form
    109,155.68/163,733.52 = 39,030.74/x
  3. Step 3: Cross multiply
    109,155.68x = 163,733.52 × 39,030.74
  4. Step 4: Simplify right side
    109,155.68x = 6,390,640,448.40
  5. Step 5: Solve for x
    x = 6,390,640,448.40/109,155.68
  6. Step 6: Final answer
    x = 58,546.11

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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.