Home / 157,289.22-217,064.34-89,309.16

Finding the Fourth Proportional to 157,289.22, 217,064.34 and 89,309.16

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Solution

The fourth proportional to 157,289.22, 217,064.34 and 89,309.16 is: 123,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,289.22 : 217,064.34 = 89,309.16 : x
  2. Step 2: Convert to fraction form
    157,289.22/217,064.34 = 89,309.16/x
  3. Step 3: Cross multiply
    157,289.22x = 217,064.34 × 89,309.16
  4. Step 4: Simplify right side
    157,289.22x = 19,385,833,871.35
  5. Step 5: Solve for x
    x = 19,385,833,871.35/157,289.22
  6. Step 6: Final answer
    x = 123,249.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.