Home / 105,281.84-145,285.56-57,535.04

Finding the Fourth Proportional to 105,281.84, 145,285.56 and 57,535.04

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Solution

The fourth proportional to 105,281.84, 145,285.56 and 57,535.04 is: 79,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,281.84 : 145,285.56 = 57,535.04 : x
  2. Step 2: Convert to fraction form
    105,281.84/145,285.56 = 57,535.04/x
  3. Step 3: Cross multiply
    105,281.84x = 145,285.56 × 57,535.04
  4. Step 4: Simplify right side
    105,281.84x = 8,359,010,506.02
  5. Step 5: Solve for x
    x = 8,359,010,506.02/105,281.84
  6. Step 6: Final answer
    x = 79,396.51

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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.