Home / 145,103.30-217,525.10-56,335.70

Finding the Fourth Proportional to 145,103.30, 217,525.10 and 56,335.70

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Solution

The fourth proportional to 145,103.30, 217,525.10 and 56,335.70 is: 84,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,103.30 : 217,525.10 = 56,335.70 : x
  2. Step 2: Convert to fraction form
    145,103.30/217,525.10 = 56,335.70/x
  3. Step 3: Cross multiply
    145,103.30x = 217,525.10 × 56,335.70
  4. Step 4: Simplify right side
    145,103.30x = 12,254,429,038.20
  5. Step 5: Solve for x
    x = 12,254,429,038.20/145,103.30
  6. Step 6: Final answer
    x = 84,453.14

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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.