Home / 149,112.90-223,669.35-43,931.70

Finding the Fourth Proportional to 149,112.90, 223,669.35 and 43,931.70

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Solution

The fourth proportional to 149,112.90, 223,669.35 and 43,931.70 is: 65,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,112.90 : 223,669.35 = 43,931.70 : x
  2. Step 2: Convert to fraction form
    149,112.90/223,669.35 = 43,931.70/x
  3. Step 3: Cross multiply
    149,112.90x = 223,669.35 × 43,931.70
  4. Step 4: Simplify right side
    149,112.90x = 9,826,174,783.40
  5. Step 5: Solve for x
    x = 9,826,174,783.40/149,112.90
  6. Step 6: Final answer
    x = 65,897.55

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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.