Home / 105,335.57-145,363.55-57,588.91

Finding the Fourth Proportional to 105,335.57, 145,363.55 and 57,588.91

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Solution

The fourth proportional to 105,335.57, 145,363.55 and 57,588.91 is: 79,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,335.57 : 145,363.55 = 57,588.91 : x
  2. Step 2: Convert to fraction form
    105,335.57/145,363.55 = 57,588.91/x
  3. Step 3: Cross multiply
    105,335.57x = 145,363.55 × 57,588.91
  4. Step 4: Simplify right side
    105,335.57x = 8,371,327,746.88
  5. Step 5: Solve for x
    x = 8,371,327,746.88/105,335.57
  6. Step 6: Final answer
    x = 79,472.94

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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.