Home / 157,389.12-236,244.96-122,708.16

Finding the Fourth Proportional to 157,389.12, 236,244.96 and 122,708.16

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Solution

The fourth proportional to 157,389.12, 236,244.96 and 122,708.16 is: 184,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,389.12 : 236,244.96 = 122,708.16 : x
  2. Step 2: Convert to fraction form
    157,389.12/236,244.96 = 122,708.16/x
  3. Step 3: Cross multiply
    157,389.12x = 236,244.96 × 122,708.16
  4. Step 4: Simplify right side
    157,389.12x = 28,989,184,350.87
  5. Step 5: Solve for x
    x = 28,989,184,350.87/157,389.12
  6. Step 6: Final answer
    x = 184,187.98

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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.