Home / 102,762.16-141,814.44-57,438.80

Finding the Fourth Proportional to 102,762.16, 141,814.44 and 57,438.80

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Solution

The fourth proportional to 102,762.16, 141,814.44 and 57,438.80 is: 79,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.16 : 141,814.44 = 57,438.80 : x
  2. Step 2: Convert to fraction form
    102,762.16/141,814.44 = 57,438.80/x
  3. Step 3: Cross multiply
    102,762.16x = 141,814.44 × 57,438.80
  4. Step 4: Simplify right side
    102,762.16x = 8,145,651,256.27
  5. Step 5: Solve for x
    x = 8,145,651,256.27/102,762.16
  6. Step 6: Final answer
    x = 79,267.03

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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.