Home / 78,813.18-118,237.59-26,224.74

Finding the Fourth Proportional to 78,813.18, 118,237.59 and 26,224.74

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Solution

The fourth proportional to 78,813.18, 118,237.59 and 26,224.74 is: 39,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,813.18 : 118,237.59 = 26,224.74 : x
  2. Step 2: Convert to fraction form
    78,813.18/118,237.59 = 26,224.74/x
  3. Step 3: Cross multiply
    78,813.18x = 118,237.59 × 26,224.74
  4. Step 4: Simplify right side
    78,813.18x = 3,100,750,055.98
  5. Step 5: Solve for x
    x = 3,100,750,055.98/78,813.18
  6. Step 6: Final answer
    x = 39,343.04

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1.5x scale

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.