Home / 121,139.37-181,746.29-62,016.55

Finding the Fourth Proportional to 121,139.37, 181,746.29 and 62,016.55

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Solution

The fourth proportional to 121,139.37, 181,746.29 and 62,016.55 is: 93,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,139.37 : 181,746.29 = 62,016.55 : x
  2. Step 2: Convert to fraction form
    121,139.37/181,746.29 = 62,016.55/x
  3. Step 3: Cross multiply
    121,139.37x = 181,746.29 × 62,016.55
  4. Step 4: Simplify right side
    121,139.37x = 11,271,277,881.10
  5. Step 5: Solve for x
    x = 11,271,277,881.10/121,139.37
  6. Step 6: Final answer
    x = 93,043.89

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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.