Home / 105,488.24-145,583.66-63,045.86

Finding the Fourth Proportional to 105,488.24, 145,583.66 and 63,045.86

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Solution

The fourth proportional to 105,488.24, 145,583.66 and 63,045.86 is: 87,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,488.24 : 145,583.66 = 63,045.86 : x
  2. Step 2: Convert to fraction form
    105,488.24/145,583.66 = 63,045.86/x
  3. Step 3: Cross multiply
    105,488.24x = 145,583.66 × 63,045.86
  4. Step 4: Simplify right side
    105,488.24x = 9,178,446,476.34
  5. Step 5: Solve for x
    x = 9,178,446,476.34/105,488.24
  6. Step 6: Final answer
    x = 87,009.20

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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.