Home / 102,055.14-153,048.65-42,879.78

Finding the Fourth Proportional to 102,055.14, 153,048.65 and 42,879.78

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Solution

The fourth proportional to 102,055.14, 153,048.65 and 42,879.78 is: 64,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,055.14 : 153,048.65 = 42,879.78 : x
  2. Step 2: Convert to fraction form
    102,055.14/153,048.65 = 42,879.78/x
  3. Step 3: Cross multiply
    102,055.14x = 153,048.65 × 42,879.78
  4. Step 4: Simplify right side
    102,055.14x = 6,562,692,226.90
  5. Step 5: Solve for x
    x = 6,562,692,226.90/102,055.14
  6. Step 6: Final answer
    x = 64,305.36

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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.