Home / 157,708.81-236,562-39,379.35

Finding the Fourth Proportional to 157,708.81, 236,562 and 39,379.35

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Solution

The fourth proportional to 157,708.81, 236,562 and 39,379.35 is: 59,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,708.81 : 236,562 = 39,379.35 : x
  2. Step 2: Convert to fraction form
    157,708.81/236,562 = 39,379.35/x
  3. Step 3: Cross multiply
    157,708.81x = 236,562 × 39,379.35
  4. Step 4: Simplify right side
    157,708.81x = 9,315,657,794.70
  5. Step 5: Solve for x
    x = 9,315,657,794.70/157,708.81
  6. Step 6: Final answer
    x = 59,068.72

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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.