Home / 126,730.36-174,931.59-73,036.81

Finding the Fourth Proportional to 126,730.36, 174,931.59 and 73,036.81

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Solution

The fourth proportional to 126,730.36, 174,931.59 and 73,036.81 is: 100,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.36 : 174,931.59 = 73,036.81 : x
  2. Step 2: Convert to fraction form
    126,730.36/174,931.59 = 73,036.81/x
  3. Step 3: Cross multiply
    126,730.36x = 174,931.59 × 73,036.81
  4. Step 4: Simplify right side
    126,730.36x = 12,776,445,301.83
  5. Step 5: Solve for x
    x = 12,776,445,301.83/126,730.36
  6. Step 6: Final answer
    x = 100,815.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.