Home / 156,749.90-235,141.29-51,577.10

Finding the Fourth Proportional to 156,749.90, 235,141.29 and 51,577.10

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Solution

The fourth proportional to 156,749.90, 235,141.29 and 51,577.10 is: 77,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.90 : 235,141.29 = 51,577.10 : x
  2. Step 2: Convert to fraction form
    156,749.90/235,141.29 = 51,577.10/x
  3. Step 3: Cross multiply
    156,749.90x = 235,141.29 × 51,577.10
  4. Step 4: Simplify right side
    156,749.90x = 12,127,905,828.46
  5. Step 5: Solve for x
    x = 12,127,905,828.46/156,749.90
  6. Step 6: Final answer
    x = 77,371.06

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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.