Home / 145,820.76-201,233.52-82,159.80

Finding the Fourth Proportional to 145,820.76, 201,233.52 and 82,159.80

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Solution

The fourth proportional to 145,820.76, 201,233.52 and 82,159.80 is: 113,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,820.76 : 201,233.52 = 82,159.80 : x
  2. Step 2: Convert to fraction form
    145,820.76/201,233.52 = 82,159.80/x
  3. Step 3: Cross multiply
    145,820.76x = 201,233.52 × 82,159.80
  4. Step 4: Simplify right side
    145,820.76x = 16,533,305,756.50
  5. Step 5: Solve for x
    x = 16,533,305,756.50/145,820.76
  6. Step 6: Final answer
    x = 113,381.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.