Home / 158,012.61-218,053.22-93,485.18

Finding the Fourth Proportional to 158,012.61, 218,053.22 and 93,485.18

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Solution

The fourth proportional to 158,012.61, 218,053.22 and 93,485.18 is: 129,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,012.61 : 218,053.22 = 93,485.18 : x
  2. Step 2: Convert to fraction form
    158,012.61/218,053.22 = 93,485.18/x
  3. Step 3: Cross multiply
    158,012.61x = 218,053.22 × 93,485.18
  4. Step 4: Simplify right side
    158,012.61x = 20,384,742,963.59
  5. Step 5: Solve for x
    x = 20,384,742,963.59/158,012.61
  6. Step 6: Final answer
    x = 129,007.06

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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.