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Finding the Fourth Proportional to 166,254, 229,430.52 and 90,802.68

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Solution

The fourth proportional to 166,254, 229,430.52 and 90,802.68 is: 125,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,254 : 229,430.52 = 90,802.68 : x
  2. Step 2: Convert to fraction form
    166,254/229,430.52 = 90,802.68/x
  3. Step 3: Cross multiply
    166,254x = 229,430.52 × 90,802.68
  4. Step 4: Simplify right side
    166,254x = 20,832,906,089.79
  5. Step 5: Solve for x
    x = 20,832,906,089.79/166,254
  6. Step 6: Final answer
    x = 125,307.70

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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.