Home / 99,378.40-149,071.20-29,264.80

Finding the Fourth Proportional to 99,378.40, 149,071.20 and 29,264.80

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Solution

The fourth proportional to 99,378.40, 149,071.20 and 29,264.80 is: 43,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,378.40 : 149,071.20 = 29,264.80 : x
  2. Step 2: Convert to fraction form
    99,378.40/149,071.20 = 29,264.80/x
  3. Step 3: Cross multiply
    99,378.40x = 149,071.20 × 29,264.80
  4. Step 4: Simplify right side
    99,378.40x = 4,362,538,853.76
  5. Step 5: Solve for x
    x = 4,362,538,853.76/99,378.40
  6. Step 6: Final answer
    x = 43,898.26

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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.