Home / 177,430.40-265,756.80-157,731.20

Finding the Fourth Proportional to 177,430.40, 265,756.80 and 157,731.20

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Solution

The fourth proportional to 177,430.40, 265,756.80 and 157,731.20 is: 236,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,430.40 : 265,756.80 = 157,731.20 : x
  2. Step 2: Convert to fraction form
    177,430.40/265,756.80 = 157,731.20/x
  3. Step 3: Cross multiply
    177,430.40x = 265,756.80 × 157,731.20
  4. Step 4: Simplify right side
    177,430.40x = 41,918,138,972.16
  5. Step 5: Solve for x
    x = 41,918,138,972.16/177,430.40
  6. Step 6: Final answer
    x = 236,251.17

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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.