Home / 164,457.81-226,955.93-100,830.69

Finding the Fourth Proportional to 164,457.81, 226,955.93 and 100,830.69

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Solution

The fourth proportional to 164,457.81, 226,955.93 and 100,830.69 is: 139,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,457.81 : 226,955.93 = 100,830.69 : x
  2. Step 2: Convert to fraction form
    164,457.81/226,955.93 = 100,830.69/x
  3. Step 3: Cross multiply
    164,457.81x = 226,955.93 × 100,830.69
  4. Step 4: Simplify right side
    164,457.81x = 22,884,122,517.34
  5. Step 5: Solve for x
    x = 22,884,122,517.34/164,457.81
  6. Step 6: Final answer
    x = 139,148.89

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1.5x scale

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.