Home / 105,148.67-157,722.12-26,262.36

Finding the Fourth Proportional to 105,148.67, 157,722.12 and 26,262.36

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Solution

The fourth proportional to 105,148.67, 157,722.12 and 26,262.36 is: 39,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,148.67 : 157,722.12 = 26,262.36 : x
  2. Step 2: Convert to fraction form
    105,148.67/157,722.12 = 26,262.36/x
  3. Step 3: Cross multiply
    105,148.67x = 157,722.12 × 26,262.36
  4. Step 4: Simplify right side
    105,148.67x = 4,142,155,095.40
  5. Step 5: Solve for x
    x = 4,142,155,095.40/105,148.67
  6. Step 6: Final answer
    x = 39,393.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.