Home / 156,302.64-234,483.12-51,127.28

Finding the Fourth Proportional to 156,302.64, 234,483.12 and 51,127.28

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Solution

The fourth proportional to 156,302.64, 234,483.12 and 51,127.28 is: 76,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,302.64 : 234,483.12 = 51,127.28 : x
  2. Step 2: Convert to fraction form
    156,302.64/234,483.12 = 51,127.28/x
  3. Step 3: Cross multiply
    156,302.64x = 234,483.12 × 51,127.28
  4. Step 4: Simplify right side
    156,302.64x = 11,988,484,131.51
  5. Step 5: Solve for x
    x = 11,988,484,131.51/156,302.64
  6. Step 6: Final answer
    x = 76,700.46

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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.