Home / 114,382.40-157,840.64-64,080.32

Finding the Fourth Proportional to 114,382.40, 157,840.64 and 64,080.32

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Solution

The fourth proportional to 114,382.40, 157,840.64 and 64,080.32 is: 88,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,382.40 : 157,840.64 = 64,080.32 : x
  2. Step 2: Convert to fraction form
    114,382.40/157,840.64 = 64,080.32/x
  3. Step 3: Cross multiply
    114,382.40x = 157,840.64 × 64,080.32
  4. Step 4: Simplify right side
    114,382.40x = 10,114,478,720.20
  5. Step 5: Solve for x
    x = 10,114,478,720.20/114,382.40
  6. Step 6: Final answer
    x = 88,426.88

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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.