Home / 156,877.80-235,266.14-51,671.72

Finding the Fourth Proportional to 156,877.80, 235,266.14 and 51,671.72

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Solution

The fourth proportional to 156,877.80, 235,266.14 and 51,671.72 is: 77,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,877.80 : 235,266.14 = 51,671.72 : x
  2. Step 2: Convert to fraction form
    156,877.80/235,266.14 = 51,671.72/x
  3. Step 3: Cross multiply
    156,877.80x = 235,266.14 × 51,671.72
  4. Step 4: Simplify right side
    156,877.80x = 12,156,606,111.56
  5. Step 5: Solve for x
    x = 12,156,606,111.56/156,877.80
  6. Step 6: Final answer
    x = 77,490.93

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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.