Home / 153,426.52-211,794.06-103,154.68

Finding the Fourth Proportional to 153,426.52, 211,794.06 and 103,154.68

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Solution

The fourth proportional to 153,426.52, 211,794.06 and 103,154.68 is: 142,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,426.52 : 211,794.06 = 103,154.68 : x
  2. Step 2: Convert to fraction form
    153,426.52/211,794.06 = 103,154.68/x
  3. Step 3: Cross multiply
    153,426.52x = 211,794.06 × 103,154.68
  4. Step 4: Simplify right side
    153,426.52x = 21,847,548,485.20
  5. Step 5: Solve for x
    x = 21,847,548,485.20/153,426.52
  6. Step 6: Final answer
    x = 142,397.47

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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.