Home / 145,343.43-200,555.90-84,100.14

Finding the Fourth Proportional to 145,343.43, 200,555.90 and 84,100.14

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Solution

The fourth proportional to 145,343.43, 200,555.90 and 84,100.14 is: 116,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,343.43 : 200,555.90 = 84,100.14 : x
  2. Step 2: Convert to fraction form
    145,343.43/200,555.90 = 84,100.14/x
  3. Step 3: Cross multiply
    145,343.43x = 200,555.90 × 84,100.14
  4. Step 4: Simplify right side
    145,343.43x = 16,866,779,162.70
  5. Step 5: Solve for x
    x = 16,866,779,162.70/145,343.43
  6. Step 6: Final answer
    x = 116,047.76

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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.