Home / 133,649.02-200,430.69-70,433.79

Finding the Fourth Proportional to 133,649.02, 200,430.69 and 70,433.79

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Solution

The fourth proportional to 133,649.02, 200,430.69 and 70,433.79 is: 105,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.02 : 200,430.69 = 70,433.79 : x
  2. Step 2: Convert to fraction form
    133,649.02/200,430.69 = 70,433.79/x
  3. Step 3: Cross multiply
    133,649.02x = 200,430.69 × 70,433.79
  4. Step 4: Simplify right side
    133,649.02x = 14,117,093,129.02
  5. Step 5: Solve for x
    x = 14,117,093,129.02/133,649.02
  6. Step 6: Final answer
    x = 105,628.11

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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.