Home / 103,480.16-142,814.41-57,544.35

Finding the Fourth Proportional to 103,480.16, 142,814.41 and 57,544.35

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Solution

The fourth proportional to 103,480.16, 142,814.41 and 57,544.35 is: 79,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480.16 : 142,814.41 = 57,544.35 : x
  2. Step 2: Convert to fraction form
    103,480.16/142,814.41 = 57,544.35/x
  3. Step 3: Cross multiply
    103,480.16x = 142,814.41 × 57,544.35
  4. Step 4: Simplify right side
    103,480.16x = 8,218,161,714.67
  5. Step 5: Solve for x
    x = 8,218,161,714.67/103,480.16
  6. Step 6: Final answer
    x = 79,417.76

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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.