Home / 101,929.86-152,927.60-42,749.64

Finding the Fourth Proportional to 101,929.86, 152,927.60 and 42,749.64

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Solution

The fourth proportional to 101,929.86, 152,927.60 and 42,749.64 is: 64,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.86 : 152,927.60 = 42,749.64 : x
  2. Step 2: Convert to fraction form
    101,929.86/152,927.60 = 42,749.64/x
  3. Step 3: Cross multiply
    101,929.86x = 152,927.60 × 42,749.64
  4. Step 4: Simplify right side
    101,929.86x = 6,537,599,632.32
  5. Step 5: Solve for x
    x = 6,537,599,632.32/101,929.86
  6. Step 6: Final answer
    x = 64,138.22

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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.