Home / 177,254.26-265,931.63-72,148.66

Finding the Fourth Proportional to 177,254.26, 265,931.63 and 72,148.66

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Solution

The fourth proportional to 177,254.26, 265,931.63 and 72,148.66 is: 108,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,254.26 : 265,931.63 = 72,148.66 : x
  2. Step 2: Convert to fraction form
    177,254.26/265,931.63 = 72,148.66/x
  3. Step 3: Cross multiply
    177,254.26x = 265,931.63 × 72,148.66
  4. Step 4: Simplify right side
    177,254.26x = 19,186,610,756.12
  5. Step 5: Solve for x
    x = 19,186,610,756.12/177,254.26
  6. Step 6: Final answer
    x = 108,243.44

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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.