Home / 157,899.36-236,849.04-64,412.40

Finding the Fourth Proportional to 157,899.36, 236,849.04 and 64,412.40

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Solution

The fourth proportional to 157,899.36, 236,849.04 and 64,412.40 is: 96,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,899.36 : 236,849.04 = 64,412.40 : x
  2. Step 2: Convert to fraction form
    157,899.36/236,849.04 = 64,412.40/x
  3. Step 3: Cross multiply
    157,899.36x = 236,849.04 × 64,412.40
  4. Step 4: Simplify right side
    157,899.36x = 15,256,015,104.10
  5. Step 5: Solve for x
    x = 15,256,015,104.10/157,899.36
  6. Step 6: Final answer
    x = 96,618.60

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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.