Home / 253,510.08-380,235.90-66,536.16

Finding the Fourth Proportional to 253,510.08, 380,235.90 and 66,536.16

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Solution

The fourth proportional to 253,510.08, 380,235.90 and 66,536.16 is: 99,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,510.08 : 380,235.90 = 66,536.16 : x
  2. Step 2: Convert to fraction form
    253,510.08/380,235.90 = 66,536.16/x
  3. Step 3: Cross multiply
    253,510.08x = 380,235.90 × 66,536.16
  4. Step 4: Simplify right side
    253,510.08x = 25,299,436,680.14
  5. Step 5: Solve for x
    x = 25,299,436,680.14/253,510.08
  6. Step 6: Final answer
    x = 99,796.57

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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.