Home / 105,324.10-145,349.84-57,580.98

Finding the Fourth Proportional to 105,324.10, 145,349.84 and 57,580.98

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Solution

The fourth proportional to 105,324.10, 145,349.84 and 57,580.98 is: 79,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,324.10 : 145,349.84 = 57,580.98 : x
  2. Step 2: Convert to fraction form
    105,324.10/145,349.84 = 57,580.98/x
  3. Step 3: Cross multiply
    105,324.10x = 145,349.84 × 57,580.98
  4. Step 4: Simplify right side
    105,324.10x = 8,369,385,828.93
  5. Step 5: Solve for x
    x = 8,369,385,828.93/105,324.10
  6. Step 6: Final answer
    x = 79,463.16

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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.