Home / 145,058.54-217,485.75-56,237.18

Finding the Fourth Proportional to 145,058.54, 217,485.75 and 56,237.18

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Solution

The fourth proportional to 145,058.54, 217,485.75 and 56,237.18 is: 84,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058.54 : 217,485.75 = 56,237.18 : x
  2. Step 2: Convert to fraction form
    145,058.54/217,485.75 = 56,237.18/x
  3. Step 3: Cross multiply
    145,058.54x = 217,485.75 × 56,237.18
  4. Step 4: Simplify right side
    145,058.54x = 12,230,785,270.19
  5. Step 5: Solve for x
    x = 12,230,785,270.19/145,058.54
  6. Step 6: Final answer
    x = 84,316.20

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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.