Home / 105,262.59-145,272.24-57,523.05

Finding the Fourth Proportional to 105,262.59, 145,272.24 and 57,523.05

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Solution

The fourth proportional to 105,262.59, 145,272.24 and 57,523.05 is: 79,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,262.59 : 145,272.24 = 57,523.05 : x
  2. Step 2: Convert to fraction form
    105,262.59/145,272.24 = 57,523.05/x
  3. Step 3: Cross multiply
    105,262.59x = 145,272.24 × 57,523.05
  4. Step 4: Simplify right side
    105,262.59x = 8,356,502,325.13
  5. Step 5: Solve for x
    x = 8,356,502,325.13/105,262.59
  6. Step 6: Final answer
    x = 79,387.20

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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.