Home / 157,865.86-236,798.79-64,378.90

Finding the Fourth Proportional to 157,865.86, 236,798.79 and 64,378.90

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Solution

The fourth proportional to 157,865.86, 236,798.79 and 64,378.90 is: 96,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,865.86 : 236,798.79 = 64,378.90 : x
  2. Step 2: Convert to fraction form
    157,865.86/236,798.79 = 64,378.90/x
  3. Step 3: Cross multiply
    157,865.86x = 236,798.79 × 64,378.90
  4. Step 4: Simplify right side
    157,865.86x = 15,244,845,621.53
  5. Step 5: Solve for x
    x = 15,244,845,621.53/157,865.86
  6. Step 6: Final answer
    x = 96,568.35

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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.