Home / 143,715.06-215,555.58-38,541.42

Finding the Fourth Proportional to 143,715.06, 215,555.58 and 38,541.42

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Solution

The fourth proportional to 143,715.06, 215,555.58 and 38,541.42 is: 57,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,715.06 : 215,555.58 = 38,541.42 : x
  2. Step 2: Convert to fraction form
    143,715.06/215,555.58 = 38,541.42/x
  3. Step 3: Cross multiply
    143,715.06x = 215,555.58 × 38,541.42
  4. Step 4: Simplify right side
    143,715.06x = 8,307,818,142.12
  5. Step 5: Solve for x
    x = 8,307,818,142.12/143,715.06
  6. Step 6: Final answer
    x = 57,807.57

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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.