Home / 157,709.60-236,564.40-144,807.20

Finding the Fourth Proportional to 157,709.60, 236,564.40 and 144,807.20

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Solution

The fourth proportional to 157,709.60, 236,564.40 and 144,807.20 is: 217,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,709.60 : 236,564.40 = 144,807.20 : x
  2. Step 2: Convert to fraction form
    157,709.60/236,564.40 = 144,807.20/x
  3. Step 3: Cross multiply
    157,709.60x = 236,564.40 × 144,807.20
  4. Step 4: Simplify right side
    157,709.60x = 34,256,228,383.68
  5. Step 5: Solve for x
    x = 34,256,228,383.68/157,709.60
  6. Step 6: Final answer
    x = 217,210.80

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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.