Home / 105,024.66-144,937.53-57,280.71

Finding the Fourth Proportional to 105,024.66, 144,937.53 and 57,280.71

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Solution

The fourth proportional to 105,024.66, 144,937.53 and 57,280.71 is: 79,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,024.66 : 144,937.53 = 57,280.71 : x
  2. Step 2: Convert to fraction form
    105,024.66/144,937.53 = 57,280.71/x
  3. Step 3: Cross multiply
    105,024.66x = 144,937.53 × 57,280.71
  4. Step 4: Simplify right side
    105,024.66x = 8,302,124,624.05
  5. Step 5: Solve for x
    x = 8,302,124,624.05/105,024.66
  6. Step 6: Final answer
    x = 79,049.29

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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.