Home / 105,011.77-144,916.28-57,263.89

Finding the Fourth Proportional to 105,011.77, 144,916.28 and 57,263.89

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Solution

The fourth proportional to 105,011.77, 144,916.28 and 57,263.89 is: 79,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,011.77 : 144,916.28 = 57,263.89 : x
  2. Step 2: Convert to fraction form
    105,011.77/144,916.28 = 57,263.89/x
  3. Step 3: Cross multiply
    105,011.77x = 144,916.28 × 57,263.89
  4. Step 4: Simplify right side
    105,011.77x = 8,298,469,917.13
  5. Step 5: Solve for x
    x = 8,298,469,917.13/105,011.77
  6. Step 6: Final answer
    x = 79,024.19

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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.