Home / 154,802.40-213,606.96-91,127.52

Finding the Fourth Proportional to 154,802.40, 213,606.96 and 91,127.52

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Solution

The fourth proportional to 154,802.40, 213,606.96 and 91,127.52 is: 125,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,802.40 : 213,606.96 = 91,127.52 : x
  2. Step 2: Convert to fraction form
    154,802.40/213,606.96 = 91,127.52/x
  3. Step 3: Cross multiply
    154,802.40x = 213,606.96 × 91,127.52
  4. Step 4: Simplify right side
    154,802.40x = 19,465,472,519.54
  5. Step 5: Solve for x
    x = 19,465,472,519.54/154,802.40
  6. Step 6: Final answer
    x = 125,744.00

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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.