Home / 105,400.04-145,450.02-57,653.24

Finding the Fourth Proportional to 105,400.04, 145,450.02 and 57,653.24

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Solution

The fourth proportional to 105,400.04, 145,450.02 and 57,653.24 is: 79,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,400.04 : 145,450.02 = 57,653.24 : x
  2. Step 2: Convert to fraction form
    105,400.04/145,450.02 = 57,653.24/x
  3. Step 3: Cross multiply
    105,400.04x = 145,450.02 × 57,653.24
  4. Step 4: Simplify right side
    105,400.04x = 8,385,664,911.06
  5. Step 5: Solve for x
    x = 8,385,664,911.06/105,400.04
  6. Step 6: Final answer
    x = 79,560.36

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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.