Home / 145,058.04-217,485-56,236.68

Finding the Fourth Proportional to 145,058.04, 217,485 and 56,236.68

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Solution

The fourth proportional to 145,058.04, 217,485 and 56,236.68 is: 84,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058.04 : 217,485 = 56,236.68 : x
  2. Step 2: Convert to fraction form
    145,058.04/217,485 = 56,236.68/x
  3. Step 3: Cross multiply
    145,058.04x = 217,485 × 56,236.68
  4. Step 4: Simplify right side
    145,058.04x = 12,230,634,349.80
  5. Step 5: Solve for x
    x = 12,230,634,349.80/145,058.04
  6. Step 6: Final answer
    x = 84,315.45

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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.