Home / 109,237.89-163,856.76-30,352.08

Finding the Fourth Proportional to 109,237.89, 163,856.76 and 30,352.08

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Solution

The fourth proportional to 109,237.89, 163,856.76 and 30,352.08 is: 45,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,237.89 : 163,856.76 = 30,352.08 : x
  2. Step 2: Convert to fraction form
    109,237.89/163,856.76 = 30,352.08/x
  3. Step 3: Cross multiply
    109,237.89x = 163,856.76 × 30,352.08
  4. Step 4: Simplify right side
    109,237.89x = 4,973,393,488.06
  5. Step 5: Solve for x
    x = 4,973,393,488.06/109,237.89
  6. Step 6: Final answer
    x = 45,528.10

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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.