Home / 145,122.03-217,598.97-56,271.51

Finding the Fourth Proportional to 145,122.03, 217,598.97 and 56,271.51

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Solution

The fourth proportional to 145,122.03, 217,598.97 and 56,271.51 is: 84,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,122.03 : 217,598.97 = 56,271.51 : x
  2. Step 2: Convert to fraction form
    145,122.03/217,598.97 = 56,271.51/x
  3. Step 3: Cross multiply
    145,122.03x = 217,598.97 × 56,271.51
  4. Step 4: Simplify right side
    145,122.03x = 12,244,622,616.34
  5. Step 5: Solve for x
    x = 12,244,622,616.34/145,122.03
  6. Step 6: Final answer
    x = 84,374.66

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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.