Home / 104,557.79-144,291.90-56,814.23

Finding the Fourth Proportional to 104,557.79, 144,291.90 and 56,814.23

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Solution

The fourth proportional to 104,557.79, 144,291.90 and 56,814.23 is: 78,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,557.79 : 144,291.90 = 56,814.23 : x
  2. Step 2: Convert to fraction form
    104,557.79/144,291.90 = 56,814.23/x
  3. Step 3: Cross multiply
    104,557.79x = 144,291.90 × 56,814.23
  4. Step 4: Simplify right side
    104,557.79x = 8,197,832,472.28
  5. Step 5: Solve for x
    x = 8,197,832,472.28/104,557.79
  6. Step 6: Final answer
    x = 78,404.80

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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.