Home / 157,505.40-236,258.10-57,632.40

Finding the Fourth Proportional to 157,505.40, 236,258.10 and 57,632.40

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Solution

The fourth proportional to 157,505.40, 236,258.10 and 57,632.40 is: 86,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,505.40 : 236,258.10 = 57,632.40 : x
  2. Step 2: Convert to fraction form
    157,505.40/236,258.10 = 57,632.40/x
  3. Step 3: Cross multiply
    157,505.40x = 236,258.10 × 57,632.40
  4. Step 4: Simplify right side
    157,505.40x = 13,616,121,322.44
  5. Step 5: Solve for x
    x = 13,616,121,322.44/157,505.40
  6. Step 6: Final answer
    x = 86,448.60

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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.