Home / 153,795.16-230,610.54-78,884.76

Finding the Fourth Proportional to 153,795.16, 230,610.54 and 78,884.76

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Solution

The fourth proportional to 153,795.16, 230,610.54 and 78,884.76 is: 118,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,795.16 : 230,610.54 = 78,884.76 : x
  2. Step 2: Convert to fraction form
    153,795.16/230,610.54 = 78,884.76/x
  3. Step 3: Cross multiply
    153,795.16x = 230,610.54 × 78,884.76
  4. Step 4: Simplify right side
    153,795.16x = 18,191,657,101.37
  5. Step 5: Solve for x
    x = 18,191,657,101.37/153,795.16
  6. Step 6: Final answer
    x = 118,284.98

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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.