Home / 156,871.48-235,244.92-56,977.20

Finding the Fourth Proportional to 156,871.48, 235,244.92 and 56,977.20

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Solution

The fourth proportional to 156,871.48, 235,244.92 and 56,977.20 is: 85,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,871.48 : 235,244.92 = 56,977.20 : x
  2. Step 2: Convert to fraction form
    156,871.48/235,244.92 = 56,977.20/x
  3. Step 3: Cross multiply
    156,871.48x = 235,244.92 × 56,977.20
  4. Step 4: Simplify right side
    156,871.48x = 13,403,596,855.82
  5. Step 5: Solve for x
    x = 13,403,596,855.82/156,871.48
  6. Step 6: Final answer
    x = 85,443.17

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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.