Home / 99,528.40-149,292.60-57,480.40

Finding the Fourth Proportional to 99,528.40, 149,292.60 and 57,480.40

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Solution

The fourth proportional to 99,528.40, 149,292.60 and 57,480.40 is: 86,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.40 : 149,292.60 = 57,480.40 : x
  2. Step 2: Convert to fraction form
    99,528.40/149,292.60 = 57,480.40/x
  3. Step 3: Cross multiply
    99,528.40x = 149,292.60 × 57,480.40
  4. Step 4: Simplify right side
    99,528.40x = 8,581,398,365.04
  5. Step 5: Solve for x
    x = 8,581,398,365.04/99,528.40
  6. Step 6: Final answer
    x = 86,220.60

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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.