Home / 78,152.24-117,041.04-40,101.37

Finding the Fourth Proportional to 78,152.24, 117,041.04 and 40,101.37

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Solution

The fourth proportional to 78,152.24, 117,041.04 and 40,101.37 is: 60,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,152.24 : 117,041.04 = 40,101.37 : x
  2. Step 2: Convert to fraction form
    78,152.24/117,041.04 = 40,101.37/x
  3. Step 3: Cross multiply
    78,152.24x = 117,041.04 × 40,101.37
  4. Step 4: Simplify right side
    78,152.24x = 4,693,506,050.22
  5. Step 5: Solve for x
    x = 4,693,506,050.22/78,152.24
  6. Step 6: Final answer
    x = 60,055.94

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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.